APA aipamena

Collinge, R. A., & Ayers, R. M. (1997). Economics by design: Principles and issues. Upper Saddle River, NJ: Prentice Hall.

Chicago Style aipamena

Collinge, Robert A., và Ronald M. Ayers. Economics By Design: Principles and Issues. Upper Saddle River, NJ: Prentice Hall, 1997.

MLA aipamena

Collinge, Robert A., và Ronald M. Ayers. Economics By Design: Principles and Issues. Upper Saddle River, NJ: Prentice Hall, 1997.