Gregory, H. (2002). Public speaking for college and career (Sixth edition.). McGraw-Hill.
Cita Chicago (17th ed.)Gregory, Hamilton. Public Speaking for College and Career. Sixth edition. Boston: McGraw-Hill, 2002.
Cita MLA (8th ed.)Gregory, Hamilton. Public Speaking for College and Career. Sixth edition. McGraw-Hill, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.