APA引文

Weaver, D. B. (1998). Ecotourism in the less developed world David B. Weaver. CAB International.

Chicago Style (17th ed.) Citation

Weaver, David B. Ecotourism in the Less Developed World David B. Weaver. CAB International, 1998.

MLA引文

Weaver, David B. Ecotourism in the Less Developed World David B. Weaver. CAB International, 1998.

警告：这些引文格式不一定是100％准确.