एपीए उद्धरण

Friedman, M. (1980). Free to choose: A personal statement. New York: Avon.

शिकागो स्टाइल उद्धरण

Friedman, Milton. Free to Choose: A Personal Statement. New York: Avon, 1980.

एमएलए उद्धरण

Friedman, Milton. Free to Choose: A Personal Statement. New York: Avon, 1980.