Cita APA (7a ed.)
Lall, M., & Shikha Sahai. (2008). Fundamentals of environmental studies (2nd ed.). Excel Books.
Cita Chicago Style (17a ed.)
Lall, Madhurima, y Shikha Sahai. Fundamentals of Environmental Studies. 2nd ed. New Delhi: Excel Books, 2008.
Cita MLA (9a ed.)
Lall, Madhurima, y Shikha Sahai. Fundamentals of Environmental Studies. 2nd ed. Excel Books, 2008.
Precaución: Estas citas no son 100% exactas.