APA引文

Wearing, S. (2009). Ecotourism: Impacts potentials and possibilities (2nd ed.). Elsevier.

Chicago Edition Citation

Wearing, Stephen. Ecotourism: Impacts Potentials and Possibilities. 2nd ed. Amsterdam: Elsevier, 2009.

MLA引文

Wearing, Stephen. Ecotourism: Impacts Potentials and Possibilities. 2nd ed. Elsevier, 2009.

警告：这些引文格式不一定是100％准确.