Dyfyniad APA

Hughes, R. E. ,., & Duhamel, P. A. ,. (1964). Persuasive: A reader. Englewood Cliffs, New Jersey: Prentice-Hall.

Dyfyniad Arddull Chicago

Hughes, Richard E. ,, và P. Albert Duhamel. Persuasive: A Reader. Englewood Cliffs, New Jersey: Prentice-Hall, 1964.

Dyfyniad MLA

Hughes, Richard E. ,, và P. Albert Duhamel. Persuasive: A Reader. Englewood Cliffs, New Jersey: Prentice-Hall, 1964.

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