Παραπομπή APA

Singh, T. (2004). Handbook of environmental guidelines for Indian tourism. Kanishka.

Παραπομπή Chicago Style

Singh, Tatandeep. Handbook of Environmental Guidelines for Indian Tourism. New Delhi: Kanishka, 2004.

Παραπομπή MLA

Singh, Tatandeep. Handbook of Environmental Guidelines for Indian Tourism. Kanishka, 2004.