एपीए उद्धरण

Foster, D. L. (1995). First Class: An Introduction to Travel and Tourism. Singapore: Glencoe.

शिकागो स्टाइल उद्धरण

Foster, Dennis L. First Class: An Introduction to Travel and Tourism. Singapore: Glencoe, 1995.

एमएलए उद्धरण

Foster, Dennis L. First Class: An Introduction to Travel and Tourism. Singapore: Glencoe, 1995.