APA-čujuhus (7. p.)
Hauck, M. C., MacDougall, K., & Isay, D. (2002). Twelve American voices: An authentic listening and integrated-skills textbook. Yale University Press.
Chicago-čujuhus (17. p.)
Hauck, Maurice Cogan, Kenneth MacDougall, juo David Isay. Twelve American Voices: An Authentic Listening and Integrated-skills Textbook. New Haven: Yale University Press, 2002.
MLA-čujuhus (9. p.)
Hauck, Maurice Cogan, et al. Twelve American Voices: An Authentic Listening and Integrated-skills Textbook. Yale University Press, 2002.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.