Gaya APA
Lindberg, Kreg, Hawkins, Donald E.. (1993).
Ecotourism : a guide for planners and managers .
North Bennington, VT:
The Ecotourism Society.
Gaya Chicago
Lindberg, Kreg, Hawkins, Donald E..
Ecotourism : a guide for planners and managers.
North Bennington, VT:
The Ecotourism Society,
1993.
Text.
Gaya MLA
Lindberg, Kreg, Hawkins, Donald E..
Ecotourism : a guide for planners and managers.
North Bennington, VT:
The Ecotourism Society,
1993.
Text.
Gaya Turabian
Lindberg, Kreg, Hawkins, Donald E..
Ecotourism : a guide for planners and managers.
North Bennington, VT:
The Ecotourism Society,
1993.
Print.