Cita APA

Walton,Gary M, & Wykoff,Frank C. (1986). Understanding economics today (5.). Irwin.

Chicago Edition Citation

Walton,Gary M, i Wykoff,Frank C. Understanding Economics Today. 5. Chicago: Irwin, 1986.

Cita MLA

Walton,Gary M, i Wykoff,Frank C. Understanding Economics Today. 5. Irwin, 1986.

Atenció: Aquestes cites poden no estar 100% correctes.