E. Nelson Paul, C. Pearson Judy, & Titsworth Scott. (2009). iSpeak: Public Speaking for Contemporary Life, 2008 Edition. New York: Mc Graw Hill.
Παραπομπή Chicago StyleE. Nelson Paul, C. Pearson Judy, και Titsworth Scott. ISpeak: Public Speaking for Contemporary Life, 2008 Edition. New York: Mc Graw Hill, 2009.
Παραπομπή MLAE. Nelson Paul, C. Pearson Judy, και Titsworth Scott. ISpeak: Public Speaking for Contemporary Life, 2008 Edition. New York: Mc Graw Hill, 2009.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.