APA

Kahn J. R., . (1995). The Economic approach to environmental and natural resources. Orlando FL: Dryden Press.

Chicago

Kahn James R, . 1995. The Economic approach to environmental and natural resources. Orlando FL: Dryden Press.

Harvard

Kahn J. R., . (1995). The Economic approach to environmental and natural resources. Orlando FL: Dryden Press.

MLA

Kahn James R, . The Economic approach to environmental and natural resources. Orlando FL: Dryden Press. 1995.