Cita APA (7a ed.)

Beglar, D., & Murray, N. (1993). Contemporary topics: Advanced listening comprehension. Longman.

Cita Chicago Style (17a ed.)

Beglar, David, y Neil Murray. Contemporary Topics: Advanced Listening Comprehension. Harlow: Longman, 1993.

Cita MLA (9a ed.)

Beglar, David, y Neil Murray. Contemporary Topics: Advanced Listening Comprehension. Longman, 1993.