Griffin, C. L. (2006). Invitation to public speaking (2nd ed.). Belmont, CA: Thomson Wadsworth.
Chicago ZitierstilGriffin, Cindy L. Invitation to Public Speaking. 2nd ed. Belmont, CA: Thomson Wadsworth, 2006.
MLA ZitierstilGriffin, Cindy L. Invitation to Public Speaking. 2nd ed. Belmont, CA: Thomson Wadsworth, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.