Παραπομπή APA

Sandeep Kumar. (2009). Biodiversity environment and sustainable management. A K Publications.

Παραπομπή Chicago Style

Sandeep Kumar. Biodiversity Environment and Sustainable Management. Delhi: A K Publications, 2009.

Παραπομπή MLA

Sandeep Kumar. Biodiversity Environment and Sustainable Management. A K Publications, 2009.