Penggayaan APA
FENNEL, David A.. (1999).
Ecotourism .
London:
Routledge.
Chicago Style
FENNEL, David A..
Ecotourism.
London:
Routledge,
1999.
Text.
MLA Style
FENNEL, David A..
Ecotourism.
London:
Routledge,
1999.
Text.
Turabian Style
FENNEL, David A..
Ecotourism.
London:
Routledge,
1999.
Print.