Gaya APA
GRAY, William S, Liguori. (2001).
Hotel and motel management and operations (4th).
New Jersey:
Prentice Hall.
Gaya Chicago
GRAY, William S, Liguori.
Hotel and motel management and operations.
4th
New Jersey:
Prentice Hall,
2001.
Monograf.
Gaya MLA
GRAY, William S, Liguori.
Hotel and motel management and operations.
4th
New Jersey:
Prentice Hall,
2001.
Monograf.
Gaya Turabian
GRAY, William S, Liguori.
Hotel and motel management and operations.
4th
New Jersey:
Prentice Hall,
2001.
Monograf.