Gaya APA
dkk, J, N. (1993).
Tourism and Sustainable Development : Monitoring, Planning, Managing .
:
University of Waterloo.
Gaya Chicago
dkk, J, N..
Tourism and Sustainable Development : Monitoring, Planning, Managing.
:
University of Waterloo,
1993.
Text.
Gaya MLA
dkk, J.G., Nelson,.
"Tourism and Sustainable Development : Monitoring, Planning, Managing".
:
University of Waterloo,
1993.
Text.
Gaya Turabian
dkk, J.G., Nelson,..
Tourism and Sustainable Development : Monitoring, Planning, Managing.
:
University of Waterloo,
1993.
Print.