Dyfyniad APA

Vasile, A. J., & Mintz, H. K. (1977). Speak with confidence: A practical guide. Winthrop Publishers.

Dyfyniad Arddull Chicago

Vasile, Albert J., and Harold K. Mintz. Speak with Confidence: A Practical Guide. Cambridge, Mass.: Winthrop Publishers, 1977.

Dyfyniad MLA

Vasile, Albert J., and Harold K. Mintz. Speak with Confidence: A Practical Guide. Winthrop Publishers, 1977.

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