APA aipamena

Kahn, J. R. (2005). The Economic approach to environmental and natural resources (3rd ed.). Thomson/South-Western.

Chicago Style aipamena

Kahn, James R. The Economic Approach to Environmental and Natural Resources. 3rd ed. Australia: Thomson/South-Western, 2005.

MLA aipamena

Kahn, James R. The Economic Approach to Environmental and Natural Resources. 3rd ed. Thomson/South-Western, 2005.