APA引文

Williamson, S. D. (2018). Macroeconomics. Harlow, England: Pearson.

Trích dẫn kiểu Chicago

Williamson, Stephen D. Macroeconomics. Harlow, England: Pearson, 2018.

MLA引文

Williamson, Stephen D. Macroeconomics. Harlow, England: Pearson, 2018.

警告：这些引文格式不一定是100％准确.