APA ציטוט

Arnold Rodger A. (2011). Principles of economics (10th.). Cengage Learning.

Chicago Style (17th ed.) Citation

Arnold Rodger A. Principles of Economics. 10th. Australia: Cengage Learning, 2011.

ציטוט MLA

Arnold Rodger A. Principles of Economics. 10th. Cengage Learning, 2011.