APA引文

Singh, R. (2004). National ecotourism & wildlife tourism. Kanishka publishers.

Chicago Edition Citation

Singh, Ratandeep. National Ecotourism & Wildlife Tourism. NewDelhi: Kanishka publishers, 2004.

MLA引文

Singh, Ratandeep. National Ecotourism & Wildlife Tourism. Kanishka publishers, 2004.

警告：這些引文格式不一定是100％准確.