This paper quoted foreign books. How to write the reference of this foreign document?

According to the format requirements of your recommendation letter, there are three ways to write it:

Design digital system [M] with FPGAs and CPLDs. Nunez, 20 1 1.

Grout Ian. Design of digital system based on FPGAs and CPLDs. Nunez, 20 1 1.

Grouting, I. (20 1 1). Design of digital system based on FPGAs and CPLDs. Nunis.

Reference type

The type of reference (i.e. citation) is identified by a single letter, as follows:

M- monograph, c- thesis, n- newspaper article.

Periodical papers, dissertations and research reports.

For files that do not belong to the above types, use the letter "z" to identify them.