Hybels, S. (1974). Speech communication. D. Van Nostrand.
Chicago-čujuhus (17. p.)Hybels, Saundra. Speech Communication. New York: D. Van Nostrand, 1974.
MLA-čujuhus (9. p.)Hybels, Saundra. Speech Communication. D. Van Nostrand, 1974.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.