Gaya APA
Dixon, John A., Sherman, Paul B.. (1990).
Economics of protected areas : a new look at benefits and costs .
Washington, DC:
Island Press.
Gaya Chicago
Dixon, John A., Sherman, Paul B..
Economics of protected areas : a new look at benefits and costs.
Washington, DC:
Island Press,
1990.
Text.
Gaya MLA
Dixon, John A., Sherman, Paul B..
Economics of protected areas : a new look at benefits and costs.
Washington, DC:
Island Press,
1990.
Text.
Gaya Turabian
Dixon, John A., Sherman, Paul B..
Economics of protected areas : a new look at benefits and costs.
Washington, DC:
Island Press,
1990.
Print.