APA
Mohan I., . (1989). Environmental Issues and Programmes. Ashish, New delhi: .
Chicago
Mohan I, . 1989. Environmental Issues and Programmes. Ashish, New delhi: .
Harvard
Mohan I., . (1989). Environmental Issues and Programmes. Ashish, New delhi: .
MLA
Mohan I, . Environmental Issues and Programmes. Ashish, New delhi: . 1989.