एपीए उद्धरण

Michael Haines. (1985). Introduction to farming systems. New York: Longman.

शिकागो स्टाइल उद्धरण

Michael Haines. Introduction to Farming Systems. New York: Longman, 1985.

एमएलए उद्धरण

Michael Haines. Introduction to Farming Systems. New York: Longman, 1985.