Gaya APA

Sugiarto, E., Kowa, F. (1997). Operasional kantor depan hotel : (hotel front office operationals) / Endar Sugiarto; editor, Frans Kowa (Cet.1). Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Sugiarto, Endar., Kowa, Frans. "Operasional kantor depan hotel : (hotel front office operationals) / Endar Sugiarto; editor, Frans Kowa". Cet.1 Jakarta: Gramedia Pustaka Utama, 1997. Textbook.