Gaya APA

Foster, D, L., Sastrio, T, B. (2000). First Class: An Introduction to Travel and Tourism (Ed. 2). Jakarta: Penerbit PT RajaGrafindo Persada.

Gaya MLA

Foster, Dennis, L.., Sastrio, Tri, Budhi. "First Class: An Introduction to Travel and Tourism". Ed. 2 Jakarta: Penerbit PT RajaGrafindo Persada, 2000. Text.