APA引文

Brown, S., & Smith, D. (2007). Active listening: Quizzes and tests audio CD Level 2 (2nd ed.). Cambridge [England] New York: Cambridge University Press.

Trích dẫn kiểu Chicago

Brown, Steven, và Dorolyn Smith. Active Listening: Quizzes and Tests Audio CD Level 2. 2nd ed. Cambridge [England] New York: Cambridge University Press, 2007.

MLA引文

Brown, Steven, và Dorolyn Smith. Active Listening: Quizzes and Tests Audio CD Level 2. 2nd ed. Cambridge [England] New York: Cambridge University Press, 2007.