APA ציטוט

Heilbroner, R. L. (1965). Understanding macro-economics. London: Prentice-Hall.

Trích dẫn kiểu Chicago

Heilbroner, Robert L. Understanding Macro-economics. London: Prentice-Hall, 1965.

ציטוט MLA

Heilbroner, Robert L. Understanding Macro-economics. London: Prentice-Hall, 1965.