Gaya APA
Edingthon, John M.. (1986).
Ecology, recreation. and tourism .
New York:
Cambridge University Press.
Gaya Chicago
Edingthon, John M..
Ecology, recreation. and tourism.
New York:
Cambridge University Press,
1986.
Text.
Gaya MLA
Edingthon, John M..
Ecology, recreation. and tourism.
New York:
Cambridge University Press,
1986.
Text.
Gaya Turabian
Edingthon, John M..
Ecology, recreation. and tourism.
New York:
Cambridge University Press,
1986.
Print.