Cita APA (7th ed.)

Agarwal, S. (1991). Pollution ecology. Himanshu.

Cita Chicago (17th ed.)

Agarwal, S. Pollution Ecology. Udaipur: Himanshu, 1991.

Cita MLA (9th ed.)

Agarwal, S. Pollution Ecology. Himanshu, 1991.