Cita APA (7th ed.)

Brown, G. (1990). Listening to spoken English (2nd ed.). Longman.

Cita Chicago (17th ed.)

Brown, Gillian. Listening to Spoken English. 2nd ed. London: Longman, 1990.

Cita MLA (9th ed.)

Brown, Gillian. Listening to Spoken English. 2nd ed. Longman, 1990.