Dyfyniad APA

Carnegie, D., & Pell, A. R. (2005). Public speaking for success (Rev. and updated.). Jeremy P. Tarcher/Penguin.

Dyfyniad Arddull Chicago

Carnegie, Dale, and Arthur R. Pell. Public Speaking for Success. Rev. and updated. New York: Jeremy P. Tarcher/Penguin, 2005.

Dyfyniad MLA

Carnegie, Dale, and Arthur R. Pell. Public Speaking for Success. Rev. and updated. Jeremy P. Tarcher/Penguin, 2005.

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