एपीए उद्धरण

Heller, R. (1980). The business of winning. London: Sidgwick and Jackson.

शिकागो स्टाइल उद्धरण

Heller, Robert. The Business of Winning. London: Sidgwick and Jackson, 1980.

एमएलए उद्धरण

Heller, Robert. The Business of Winning. London: Sidgwick and Jackson, 1980.