Dave, D., & Katewa, S. S. (2012). Textbook of environmental studies. Cengage Learning.
Cita Chicago (17th ed.)Dave, Deeksha, i S. S. Katewa. Textbook of Environmental Studies. New Delhi: Cengage Learning, 2012.
Cita MLA (9th ed.)Dave, Deeksha, i S. S. Katewa. Textbook of Environmental Studies. Cengage Learning, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.