Dyfyniad APA

Gregory, H. (1999). Public speaking for college and career (5th.ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Gregory, Hamilton. Public Speaking for College and Career. 5th.ed. Boston: McGraw-Hill, 1999.

Dyfyniad MLA

Gregory, Hamilton. Public Speaking for College and Career. 5th.ed. McGraw-Hill, 1999.

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