Gaya APA
Bartono PH, SE & Ruffino EM, SE. (2010).
Hotel Supervision .
Yogyakarta:
PENERBIT ANDI.
Gaya Chicago
Bartono PH, SE & Ruffino EM, SE.
Hotel Supervision.
Yogyakarta:
PENERBIT ANDI,
2010.
Text.
Gaya MLA
Bartono PH, SE & Ruffino EM, SE.
Hotel Supervision.
Yogyakarta:
PENERBIT ANDI,
2010.
Text.
Gaya Turabian
Bartono PH, SE & Ruffino EM, SE.
Hotel Supervision.
Yogyakarta:
PENERBIT ANDI,
2010.
Print.