Gaya APA
Sujatno, A. (2011).
Hospitality ,Secret Skill ,Attitudes,And Performances For Restaurant Manager .
yogyakarta:
C.V ANDI OFFSET.
Gaya MLA
Sujatno, A.Bambang.
"Hospitality ,Secret Skill ,Attitudes,And Performances For Restaurant Manager".
yogyakarta:
C.V ANDI OFFSET,
2011.
BUKU.