APA aipamena

DOFF, A., & BECKET, C. (1993). Listening 1. Canbridge University Press.

Chicago Style aipamena

DOFF, Adrian, and Carolyn BECKET. Listening 1. New York: Canbridge University Press, 1993.

MLA aipamena

DOFF, Adrian, and Carolyn BECKET. Listening 1. Canbridge University Press, 1993.