Dyfyniad APA

Gregory, H. Public speaking for college and career (5th.).

Dyfyniad Arddull Chicago

Gregory, Hamilton. Public Speaking for College and Career. 5th.

Dyfyniad MLA

Gregory, Hamilton. Public Speaking for College and Career. 5th.

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