Brilhart, J. K. (1974). Effective group discussion (2nd ed.). WM. C. Brown.
Chicago-čujuhus (17. p.)Brilhart, John K. Effective Group Discussion. 2nd ed. Iowa: WM. C. Brown, 1974.
MLA-čujuhus (9. p.)Brilhart, John K. Effective Group Discussion. 2nd ed. WM. C. Brown, 1974.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.