Hasling, J. (2006). The audience, the message, the speaker. Boston: McGraw-Hill.
Dyfyniad Arddull ChicagoHasling, John. The Audience, the Message, the Speaker. Boston: McGraw-Hill, 2006.
Dyfyniad MLAHasling, John. The Audience, the Message, the Speaker. Boston: McGraw-Hill, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.