एपीए उद्धरण

Ferrell, R. W. (1972). Managing opportunity. American Management Association.

शिकागो स्टाइल उद्धरण

Ferrell, Robert W. Managing Opportunity. U.S.A: American Management Association, 1972.

एमएलए उद्धरण

Ferrell, Robert W. Managing Opportunity. American Management Association, 1972.