APA
Mahajan S. P., . (1985). pollution control in process industries. New Delhi: Tata McGraw Hill.
Chicago
Mahajan S P, . 1985. pollution control in process industries. New Delhi: Tata McGraw Hill.
Harvard
Mahajan S. P., . (1985). pollution control in process industries. New Delhi: Tata McGraw Hill.
MLA
Mahajan S P, . pollution control in process industries. New Delhi: Tata McGraw Hill. 1985.