APA (7th ed.) Zitazioa

HEILBRONER, R. L. (1978). Understanding macroeconomics (6th ed.). Printice Hall.

Chicago Style (17th ed.) Zitazioa

HEILBRONER, Robert L. Understanding Macroeconomics. 6th ed. Englewood Cliffs: Printice Hall, 1978.

MLA (9th ed.) Zitazioa

HEILBRONER, Robert L. Understanding Macroeconomics. 6th ed. Printice Hall, 1978.