Dyfyniad APA

Gregory, H. (2002). Public speaking for college and career (Sixth edition.). McGraw-Hill.

Dyfyniad Arddull Chicago

Gregory, Hamilton. Public Speaking for College and Career. Sixth edition. Boston: McGraw-Hill, 2002.

Dyfyniad MLA

Gregory, Hamilton. Public Speaking for College and Career. Sixth edition. McGraw-Hill, 2002.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.