Παραπομπή APA

Ashish Ghosh. (2008). Environmental conservation: Challenges & actions. APH.

Παραπομπή Chicago Style

Ashish Ghosh. Environmental Conservation: Challenges & Actions. New Delhi: APH, 2008.

Παραπομπή MLA

Ashish Ghosh. Environmental Conservation: Challenges & Actions. APH, 2008.