Gaya APA
Sujatno, A, B. (2011).
Hospitality : Secret Skills, Attitudes, and Performances for Restaurant Manager .
Yogyakarta:
PENERBIT ANDI.
Gaya MLA
Sujatno, A., Bambang.
"Hospitality : Secret Skills, Attitudes, and Performances for Restaurant Manager".
Yogyakarta:
PENERBIT ANDI,
2011.
Buku ES.