Dyfyniad APA

Gregory, H. (2010). Public speaking for college and career (9th ed.). Boston: McGraw-Hill Higher Education.

Dyfyniad Arddull Chicago

Gregory, Hamilton. Public Speaking for College and Career. 9th ed. Boston: McGraw-Hill Higher Education, 2010.

Dyfyniad MLA

Gregory, Hamilton. Public Speaking for College and Career. 9th ed. Boston: McGraw-Hill Higher Education, 2010.

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