Citazione Stile APA (7a Edizione)

Sarkar, S. (2014). A textbook of environmental studies. Mangalam Publisher.

Citazione stile Chigago Style (17a edizione)

Sarkar, Sukanta. A Textbook of Environmental Studies. Delhi: Mangalam Publisher, 2014.

Citatione MLA (9a ed.)

Sarkar, Sukanta. A Textbook of Environmental Studies. Mangalam Publisher, 2014.