APA ציטוט

Menger, C. (1981). Principles of economics. New York: New York University Press.

Trích dẫn kiểu Chicago

Menger, Carl. Principles of Economics. New York: New York University Press, 1981.

ציטוט MLA

Menger, Carl. Principles of Economics. New York: New York University Press, 1981.