Gaya APA
Sugiarto, E. (2004).
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,
2004.
Text.