APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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