Παραπομπή APA

Bawa, R., & Khosla, P. (1998). Biodiversity of forest species. Bishen Singh Mahendrapal Singh.

Παραπομπή Chicago Style

Bawa, R., και P.K Khosla. Biodiversity of Forest Species. Dehradun: Bishen Singh Mahendrapal Singh, 1998.

Παραπομπή MLA

Bawa, R., και P.K Khosla. Biodiversity of Forest Species. Bishen Singh Mahendrapal Singh, 1998.