Osborn, M., & Osborn, S. (1991). Public speaking. Houghton Mifflin.
Chicago-čujuhus (17. p.)Osborn, Michael, juo Suzanne Osborn. Public Speaking. Boston: Houghton Mifflin, 1991.
MLA-čujuhus (9. p.)Osborn, Michael, juo Suzanne Osborn. Public Speaking. Houghton Mifflin, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.