APA aipamena

Dunn, V., & Gruber, D. (1987). Listening: Intermediate. New York: Oxford University Press.

Chicago Style aipamena

Dunn, Viviane., và Diann Gruber. Listening: Intermediate. New York: Oxford University Press, 1987.

MLA aipamena

Dunn, Viviane., và Diann Gruber. Listening: Intermediate. New York: Oxford University Press, 1987.