The steps of exporting references on China Knowledge Network are as follows:

1. Open China HowNet official website.

2. Enter the keywords to be searched in the search box, and then click the search button to start the search. The searched documents will be displayed below.

3. Select the checkmark in front of the document to be exported, and then click the small box to the left of the title.

4. Click the "Export Reference" button above to jump to the document management center page.

5. Select the document export format in the document retrieval center.

6. The export format of the reference will be displayed in the pop-up page, and you can directly copy and paste it into the paper.