APA aipamena

Heibroner, R. (1968). Understanding macro economics (2nd.). Prentice Hall.

Chicago Style aipamena

Heibroner, Robert. Understanding Macro Economics. 2nd. New Jersey: Prentice Hall, 1968.

MLA aipamena

Heibroner, Robert. Understanding Macro Economics. 2nd. Prentice Hall, 1968.