Doff A. Adrian & Becket C. Carolyn. (1991). Listening 1. New York, Cambridge University Press, 1991.
Chicago Style (17th ed.) CitationDoff A. Adrian and Becket C. Carolyn. Listening 1. New York, Cambridge University Press, 1991, 1991.
MLA (9th ed.) CitationDoff A. Adrian and Becket C. Carolyn. Listening 1. New York, Cambridge University Press, 1991, 1991.
Warning: These citations may not always be 100% accurate.