Dyfyniad APA
Carnegie, D., & Carnegie, D. (1962). The quick and easy way to effective speaking. Association Press.
Dyfyniad Arddull Chicago
Carnegie, Dale, and Dorothy Carnegie. The Quick and Easy Way to Effective Speaking. New York: Association Press, 1962.
Dyfyniad MLA
Carnegie, Dale, and Dorothy Carnegie. The Quick and Easy Way to Effective Speaking. Association Press, 1962.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.