Gaya APA
,MM, I., S. (2004).
Operasional kantor depan hotel = Hotel front office management : ISO 14001 .
Jakarta:
PT.Gramedia Pustaka Utama.
Gaya MLA
,MM, I., S..
Operasional kantor depan hotel = Hotel front office management : ISO 14001.
Jakarta:
PT.Gramedia Pustaka Utama,
2004.
Text.