Cita APA (7th ed.)

Kaushik,Anubha, & Kaushik,C.P. (2018). Perspectives in environmental studies (6.). New Age international Ltd. pub.

Cita Chicago (17th ed.)

Kaushik,Anubha, i Kaushik,C.P. Perspectives in Environmental Studies. 6. New Delhi: New Age international Ltd. pub, 2018.

Cita MLA (9th ed.)

Kaushik,Anubha, i Kaushik,C.P. Perspectives in Environmental Studies. 6. New Age international Ltd. pub, 2018.