Gaya APA
Sujatno, B. (2011).
Hospitality : Secret skills, Attitudes, and Performances for restaurant manager .
Yogyakarta:
Andi.
Gaya MLA
Sujatno, Bambang.
"Hospitality : Secret skills, Attitudes, and Performances for restaurant manager".
Yogyakarta:
Andi,
2011.
BUKU.