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.