Osborn, M., & Osborn, S. (1994). Public Speaking (3rd ed.). Houghton Mifflin.
Chicago-čujuhus (17. p.)Osborn, Michael, juo Suzanne Osborn. Public Speaking. 3rd ed. Boston: Houghton Mifflin, 1994.
MLA-čujuhus (9. p.)Osborn, Michael, juo Suzanne Osborn. Public Speaking. 3rd ed. Houghton Mifflin, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.