APA引文

Kolmar, M., & Hoffmann, M. (2020). Workbook for Principles of Microeconomics. Springer International Publishing.

Trích dẫn kiểu Chicago

Kolmar, Martin, và Magnus Hoffmann. Workbook for Principles of Microeconomics. Springer International Publishing, 2020.

MLA引文

Kolmar, Martin, và Magnus Hoffmann. Workbook for Principles of Microeconomics. Springer International Publishing, 2020.

警告：這些引文格式不一定是100％准確.