APA

Katzman M. T., Cale W. G., .Tropical forest preservation using economic incentives: a proposal of conservation easements. : .

Chicago

Katzman Martin T, Cale William G, .Tropical forest preservation using economic incentives: a proposal of conservation easements. : .

Harvard

Katzman M. T., Cale W. G., .Tropical forest preservation using economic incentives: a proposal of conservation easements. : .

MLA

Katzman Martin T, Cale William G, .: . .