Cita APA (7a ed.)

(1973). Listening comprehension I: Pronunciation practice teacher's book (2a ed.). Longman.

Cita Chicago Style (17a ed.)

Listening Comprehension I: Pronunciation Practice Teacher's Book. 2a ed. Great Britain: Longman, 1973.

Cita MLA (9a ed.)

Listening Comprehension I: Pronunciation Practice Teacher's Book. 2a ed. Longman, 1973.