kaushik, a., & Kaushik, C. P. (2014). perspectives in environmental studies. New age international limited.
Chicago Style (17. basım) Atıfkaushik, anubha, ve C P. Kaushik. Perspectives in Environmental Studies. New delhi: New age international limited, 2014.
MLA (9th ed.) Atıfkaushik, anubha, ve C P. Kaushik. Perspectives in Environmental Studies. New age international limited, 2014.