Dyfyniad APA
Lucas, S. E. (1992). The art of public speaking: Speeches for analysis and discussion (4th edition.). Stephen, E. Lucas.
Dyfyniad Arddull Chicago
Lucas, S E. The Art of Public Speaking: Speeches for Analysis and Discussion. 4th edition. Stephen, E. Lucas, 1992.
Dyfyniad MLA
Lucas, S E. The Art of Public Speaking: Speeches for Analysis and Discussion. 4th edition. Stephen, E. Lucas, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.