APA引文

Case, K. (2002). Principles of economics (6th.). Pearson Education.

Chicago Style (17th ed.) Citation

Case, Karl. Principles of Economics. 6th. Delhi: Pearson Education, 2002.

MLA引文

Case, Karl. Principles of Economics. 6th. Pearson Education, 2002.

警告：這些引文格式不一定是100％准確.