Cita APA

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

Chicago Style Citation

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

Cita MLA

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