एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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