APA
Thorpe E., . (1987). Phono phase book. Pitman S S, New Delhi: .
Chicago
Thorpe Edgar, . 1987. Phono phase book. Pitman S S, New Delhi: .
Harvard
Thorpe E., . (1987). Phono phase book. Pitman S S, New Delhi: .
MLA
Thorpe Edgar, . Phono phase book. Pitman S S, New Delhi: . 1987.