Gaya APA
Suyantoro, F, S., Sujatno, B. (2008).
Front office operations : secret skills for five stars hotels .
Yogyakarta:
Andi Office.
Gaya MLA
Suyantoro, Fl., Sigit., Sujatno, Bambang.
"Front office operations : secret skills for five stars hotels".
Yogyakarta:
Andi Office,
2008.
BUKU.