एपीए उद्धरण

Davidson, J. (1991). Selling to the giants. Singapore: Heinemann Asia.

शिकागो स्टाइल उद्धरण

Davidson, Jeff. Selling to the Giants. Singapore: Heinemann Asia, 1991.

एमएलए उद्धरण

Davidson, Jeff. Selling to the Giants. Singapore: Heinemann Asia, 1991.