Booher, D. D. (1991). Executive's portfolio of model speeches for all occasions. Prentice Hall.
Chicago-referens (17:e uppl.)Booher, Dianna Daniels. Executive's Portfolio of Model Speeches for All Occasions. Englewood Cliffs, N.J: Prentice Hall, 1991.
MLA-referens (9:e uppl.)Booher, Dianna Daniels. Executive's Portfolio of Model Speeches for All Occasions. Prentice Hall, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.