Cita APA (7a ed.)

Singh, P. (1985). Enivronmental pollution and management. Chugh.

Cita Chicago Style (17a ed.)

Singh, Pramod. Enivronmental Pollution and Management. Allahabad: Chugh, 1985.

Cita MLA (9a ed.)

Singh, Pramod. Enivronmental Pollution and Management. Chugh, 1985.