Gaya APA
ISMAIL, Ahmed. (1999).
Hotel sales and operations .
New York:
Delmar,Thomson.
Gaya Chicago
ISMAIL, Ahmed.
Hotel sales and operations.
New York:
Delmar,Thomson,
1999.
Monograf.
Gaya MLA
ISMAIL, Ahmed.
Hotel sales and operations.
New York:
Delmar,Thomson,
1999.
Monograf.
Gaya Turabian
ISMAIL, Ahmed.
Hotel sales and operations.
New York:
Delmar,Thomson,
1999.
Monograf.