APA
Allen H. B. (., Campbell R. N. (., . (1972). Teaching english as a second language. Mumbai: Tata McGraw Hill.
Chicago
Allen Harold B (ed), Campbell Russell N (ed), . 1972. Teaching english as a second language. Mumbai: Tata McGraw Hill.
Harvard
Allen H. B. (., Campbell R. N. (., . (1972). Teaching english as a second language. Mumbai: Tata McGraw Hill.
MLA
Allen Harold B (ed), Campbell Russell N (ed), . Teaching english as a second language. Mumbai: Tata McGraw Hill. 1972.