APA

Masters (Gilbert M), Dr.A.Selvakumar, . (1974). Introduction To Environmental Science And Technology. : .

Chicago

Masters (Gilbert M), Dr.A.Selvakumar, . 1974. Introduction To Environmental Science And Technology. : .

Harvard

Masters (Gilbert M), Dr.A.Selvakumar, . (1974). Introduction To Environmental Science And Technology. : .

MLA

Masters (Gilbert M), Dr.A.Selvakumar, . Introduction To Environmental Science And Technology. : . 1974.