Dyfyniad APA
Hanna, M. S., & Gibson, J. W. (1989). Public speaking for personal success (2nd ed.). W.C. Brown.
Dyfyniad Arddull Chicago
Hanna, Michael S., and James W. Gibson. Public Speaking for Personal Success. 2nd ed. Dubuque, Iowa: W.C. Brown, 1989.
Dyfyniad MLA
Hanna, Michael S., and James W. Gibson. Public Speaking for Personal Success. 2nd ed. W.C. Brown, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.