Παραπομπή APA

Panda S.C. (2011). Organic farming: For sustainable agriculture. Kalyani.

Παραπομπή Chicago Style

Panda S.C. Organic Farming: For Sustainable Agriculture. Ludhiana: Kalyani, 2011.

Παραπομπή MLA

Panda S.C. Organic Farming: For Sustainable Agriculture. Kalyani, 2011.