Citazione Stile APA (7a Edizione)

(2009). Environmental Studies (2nd ed.). ata McGraw-Hill Education.

Citazione stile Chigago Style (17a edizione)

Environmental Studies. 2nd ed. New Delhi: ata McGraw-Hill Education, 2009.

Citatione MLA (9a ed.)

Environmental Studies. 2nd ed. ata McGraw-Hill Education, 2009.