Gaya APA
VALLEN, Gary K.. (2005).
Check-In Check- Out : Managing Hotel Operations (7th Ed.).
New Jersey:
Prentice Hall.
Gaya Chicago
VALLEN, Gary K..
Check-In Check- Out : Managing Hotel Operations.
7th Ed.
New Jersey:
Prentice Hall,
2005.
Monograf.
Gaya MLA
VALLEN, Gary K..
Check-In Check- Out : Managing Hotel Operations.
7th Ed.
New Jersey:
Prentice Hall,
2005.
Monograf.
Gaya Turabian
VALLEN, Gary K..
Check-In Check- Out : Managing Hotel Operations.
7th Ed.
New Jersey:
Prentice Hall,
2005.
Monograf.