Cita APA (7th ed.)

Foster, D. (1984). First class: An intro. to travel and tourism (2nd.). GLENCOE.

Cita Chicago (17th ed.)

Foster, Dennis. First Class: An Intro. to Travel and Tourism. 2nd. New York: GLENCOE, 1984.

Cita MLA (9th ed.)

Foster, Dennis. First Class: An Intro. to Travel and Tourism. 2nd. GLENCOE, 1984.