APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.