Gaya APA
Donald E. Lundberg , Carolyn B. Lundberg. (1985).
INTERNATIONAL TRAVEL AND TOURISM (cet 7).
America:
John Wlley & Sons, Inc.
Gaya Chicago
Donald E. Lundberg , Carolyn B. Lundberg.
INTERNATIONAL TRAVEL AND TOURISM.
cet 7
America:
John Wlley & Sons, Inc,
1985.
Pengayaan.
Gaya MLA
Donald E. Lundberg , Carolyn B. Lundberg.
INTERNATIONAL TRAVEL AND TOURISM.
cet 7
America:
John Wlley & Sons, Inc,
1985.
Pengayaan.
Gaya Turabian
Donald E. Lundberg , Carolyn B. Lundberg.
INTERNATIONAL TRAVEL AND TOURISM.
cet 7
America:
John Wlley & Sons, Inc,
1985.
Pengayaan.