1, omitted from the reference. Citation of original materials: when quoting directly in the text, the author and year should be indicated, and the page number should be marked in brackets. If any information is omitted, it should be marked with three ellipsis in English, six ellipsis in Chinese, four ellipsis in English and six ellipsis in Chinese.

2. Large quotation. When the Chinese quotation exceeds 160 words, the quotation starts a new line in the form of "block", the first line is indented by 4 spaces, the two ends are aligned, and then each line is indented.

3. Basic format. When the same author is quoted repeatedly in the same paragraph, the date must be written for the first time, and the date can be omitted after the second time. English literature: In a recent study of reaction time, Walker (2000) described this method? Walker found out too? .

4. Single author, English literature: surname or surname in the year of publication or publication, publication or publication year. For example: Porter 200 1? Or? Porter, 200 1.