Cita APA

Arnold, R. A. (1999). Economics in our times. Chicago, Ill: National Textbook Company.

Chicago Style Citation

Arnold, Roger A. Economics in Our Times. Chicago, Ill: National Textbook Company, 1999.

Cita MLA

Arnold, Roger A. Economics in Our Times. Chicago, Ill: National Textbook Company, 1999.

Atenció: Aquestes cites poden no estar 100% correctes.