First, the paper version:
The paper version means that the copyright transfer agreement signed between the author and the journal exists in the form of paper documents. Usually, when submitting a paper, the author will fill in and sign a paper copyright transfer agreement to transfer all or part of the copyright of his paper to the journal. This form of copyright transfer agreement is in written form, which is convenient for both parties to confirm and defend their rights.
Second, the electronic version:
Electronic version means that the copyright transfer agreement signed between the author and the journal exists in the form of electronic documents. With the development of information technology, more and more periodicals adopt electronic management and publishing processes, which makes it possible to sign and store copyright transfer agreements in the form of electronic files.
The author can confirm and sign the electronic copyright transfer agreement with the journal by e-mail, online submission system or digital signature.
Third, the online version:
The online version means that the copyright transfer agreement exists in the form of a network file. Some journals provide the function of filling in and signing online copyright transfer agreements in their official website. Authors can fill in and submit an online copyright transfer agreement by logging in to the periodical website. This form of copyright transfer agreement is convenient and timely, which facilitates the information exchange and management between authors and journals.
Fourth, the statement version:
Declarative edition means that the author confirms the copyright ownership of the paper by way of declaration before publication. In some cases, there may be no specific copyright transfer agreement between the author and the journal, but the author clearly shows his copyright ownership of the paper by attaching a copyright statement to the paper.
This form of copyright statement can be marked on the front page or back cover of the paper to remind readers and others to respect and legally use the copyright of the paper. It should be noted that different journals may have differences in the form and content of copyright transfer agreement, and the specific copyright transfer agreement should be filled in and signed according to the requirements of journals.