Gregory, H. (2002). Public speaking for college and career (Sixth edition.). McGraw-Hill.
Chicago-referens (17:e uppl.)Gregory, Hamilton. Public Speaking for College and Career. Sixth edition. Boston: McGraw-Hill, 2002.
MLA-referens (8:e uppl.)Gregory, Hamilton. Public Speaking for College and Career. Sixth edition. McGraw-Hill, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.