Gaya APA
Sugiarto, E. (2000).
Operasional Kantor Depan Hotel ( Hotel Front office Operationals ) .
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Sugiarto, Endar.
"Operasional Kantor Depan Hotel ( Hotel Front office Operationals )".
Jakarta:
Gramedia Pustaka Utama,
2000.
Text.