APA引文

Verma, G. (2008). Ecotourism and development in the new millenium. Mahadev.

Chicago Edition Citation

Verma, Geeta. Ecotourism and Development in the New Millenium. Mahadev, 2008.

MLA引文

Verma, Geeta. Ecotourism and Development in the New Millenium. Mahadev, 2008.

警告：這些引文格式不一定是100％准確.