Gaya APA

Senduk, A, S, E, A. (1997). English for Hotel Services (Edisi 1). Jakarta: PT Gramedia Pustaka Utama.

Gaya MLA

Senduk, Anneke, Senduk,, Et, Al. "English for Hotel Services". Edisi 1 Jakarta: PT Gramedia Pustaka Utama, 1997. Text.