APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (9. Ausg.)

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