Cita APA (7th ed.)

Puri, G. (1991). English conversation for all occasions. C.S.R.

Cita Chicago (17th ed.)

Puri, Gopal. English Conversation for All Occasions. New Delhi: C.S.R, 1991.

Cita MLA (9th ed.)

Puri, Gopal. English Conversation for All Occasions. C.S.R, 1991.