एपीए उद्धरण

Foster, D. L. (1991). Sales and marketing for the travel professional. New York: Glencoe.

शिकागो स्टाइल उद्धरण

Foster, Dennis L. Sales and Marketing for the Travel Professional. New York: Glencoe, 1991.

एमएलए उद्धरण

Foster, Dennis L. Sales and Marketing for the Travel Professional. New York: Glencoe, 1991.