एपीए उद्धरण

Markham, V. (1970). Effective industrial selling: With total marketing communication. George Allen and unwin.

शिकागो स्टाइल उद्धरण

Markham, Vic. Effective Industrial Selling: With Total Marketing Communication. London: George Allen and unwin, 1970.

एमएलए उद्धरण

Markham, Vic. Effective Industrial Selling: With Total Marketing Communication. George Allen and unwin, 1970.