Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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