एपीए उद्धरण

Youell,Ray. (1998). Tourism: An introduction. Addison Wesley Longman.

शिकागो स्टाइल उद्धरण

Youell,Ray. Tourism: An Introduction. New York: Addison Wesley Longman, 1998.

एमएलए उद्धरण

Youell,Ray. Tourism: An Introduction. Addison Wesley Longman, 1998.