DOFF, A., & BECKET, C. (1993). Listening 1. Canbridge University Press.
Chicago-čujuhus (17. p.)DOFF, Adrian, juo Carolyn BECKET. Listening 1. New York: Canbridge University Press, 1993.
MLA-čujuhus (9. p.)DOFF, Adrian, juo Carolyn BECKET. Listening 1. Canbridge University Press, 1993.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.