Citazione Stile APA (7a Edizione)

Santra, S. C. (2011). Environmental science (3rd ed.). New Central Book Agency.

Citazione stile Chigago Style (17a edizione)

Santra, S. C. Environmental Science. 3rd ed. Kolkata: New Central Book Agency, 2011.

Citatione MLA (9a ed.)

Santra, S. C. Environmental Science. 3rd ed. New Central Book Agency, 2011.