एपीए उद्धरण

Downing, G. D. (1969). Sales management. Wiley Eastern.

शिकागो स्टाइल उद्धरण

Downing, George D. Sales Management. New York: Wiley Eastern, 1969.

एमएलए उद्धरण

Downing, George D. Sales Management. Wiley Eastern, 1969.