Pearson, J. C. 1. (2011). Human communication (4th ed.). New York, NY: McGraw-Hill.
Dyfyniad Arddull ChicagoPearson, Judy C. 1957-. Human Communication. 4th ed. New York, NY: McGraw-Hill, 2011.
Dyfyniad MLAPearson, Judy C. 1957-. Human Communication. 4th ed. New York, NY: McGraw-Hill, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.