Gaya APA
WITT, STEPHEN F. (1989).
Tourism marketing and management handbook .
New York:
Prentice Hall.
Gaya Chicago
WITT, STEPHEN F.
Tourism marketing and management handbook.
New York:
Prentice Hall,
1989.
Buku.
Gaya MLA
WITT, STEPHEN F.
Tourism marketing and management handbook.
New York:
Prentice Hall,
1989.
Buku.
Gaya Turabian
WITT, STEPHEN F.
Tourism marketing and management handbook.
New York:
Prentice Hall,
1989.
Buku.