Gaya APA
sujatno, B.
(2010).
Secret Receptionist Skill for 5 star Hotels
.
Yogyakarta:
Penerbit Andi.
Gaya MLA
sujatno, Bambang.
"Secret Receptionist Skill for 5 star Hotels".
Yogyakarta:
Penerbit Andi,
2010.
Text.