Cita APA (7a ed.)

Thakur, P. (2007). Environmental studies. ABD Publ.

Cita Chicago Style (17a ed.)

Thakur, P. Environmental Studies. Jaipur: ABD Publ, 2007.

Cita MLA (9a ed.)

Thakur, P. Environmental Studies. ABD Publ, 2007.