Παραπομπή APA

Kumar ,Sandeep. (2009). Biodiversity Environment and Sustainable Mangement. AK Pub.

Παραπομπή Chicago Style

Kumar ,Sandeep. Biodiversity Environment and Sustainable Mangement. Delhi: AK Pub, 2009.

Παραπομπή MLA

Kumar ,Sandeep. Biodiversity Environment and Sustainable Mangement. AK Pub, 2009.