APA
Horsburgh D., . (1961). English speech sounds. Orient longmans, Mumbai: .
Chicago
Horsburgh D, . 1961. English speech sounds. Orient longmans, Mumbai: .
Harvard
Horsburgh D., . (1961). English speech sounds. Orient longmans, Mumbai: .
MLA
Horsburgh D, . English speech sounds. Orient longmans, Mumbai: . 1961.