Dyfyniad APA

Nelson, P. E. (. E. 1., Titsworth, S., & Pearson, J. C. (2009). iSpeak: Public speaking for contemporary life (2nd ed.). Boston: McGraw-Hill Higher Education.

Dyfyniad Arddull Chicago

Nelson, Paul E.|q (Paul Edward) 1941-, Scott Titsworth, và Judy C. Pearson. ISpeak: Public Speaking for Contemporary Life. 2nd ed. Boston: McGraw-Hill Higher Education, 2009.

Dyfyniad MLA

Nelson, Paul E.|q (Paul Edward) 1941-, Scott Titsworth, và Judy C. Pearson. ISpeak: Public Speaking for Contemporary Life. 2nd ed. Boston: McGraw-Hill Higher Education, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.