Gaya APA

MM, I, E, S., Haryadi, I. (1997). Manajemen Kantor Depan Hotel (Hotel Front Office Management) . Jakarta: PT. Gramedia Pustaka Utama.

Gaya MLA

MM, Ir., Endar, Sugiarto,., Haryadi, Ign.. "Manajemen Kantor Depan Hotel (Hotel Front Office Management)". Jakarta: PT. Gramedia Pustaka Utama, 1997. Text.