Tack, A. (1974). How to overcome nervous tension and speak well in public. World's book.
Dyfyniad Arddull ChicagoTack, Albert. How to Overcome Nervous Tension and Speak Well in Public. Trowbridge: World's book, 1974.
Dyfyniad MLATack, Albert. How to Overcome Nervous Tension and Speak Well in Public. World's book, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.