Cita APA (7a ed.)
Gregory, H. (1999). Public speaking for college and career (5th.ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)
Gregory, Hamilton. Public Speaking for College and Career. 5th.ed. Boston: McGraw-Hill, 1999.
Cita MLA (9a ed.)
Gregory, Hamilton. Public Speaking for College and Career. 5th.ed. McGraw-Hill, 1999.
Precaución: Estas citas no son 100% exactas.