APA引文

Kahn, J. R. (2005). The economic approach to environmental and natural resources. Victoria, Australia: Thomson (South-Western).

Trích dẫn kiểu Chicago

Kahn, James R. The Economic Approach to Environmental and Natural Resources. Victoria, Australia: Thomson (South-Western), 2005.

MLA引文

Kahn, James R. The Economic Approach to Environmental and Natural Resources. Victoria, Australia: Thomson (South-Western), 2005.

警告：這些引文格式不一定是100％准確.