Hall, C. S., Lindzey, G., & Campbell, J. B. (1998). Theories of personality (4th ed.). New York: J. Wiley.
Dyfyniad Arddull ChicagoHall, Calvin Springer., Gardner Lindzey, và John B. Campbell. Theories of Personality. 4th ed. New York: J. Wiley, 1998.
Dyfyniad MLAHall, Calvin Springer., Gardner Lindzey, và John B. Campbell. Theories of Personality. 4th ed. New York: J. Wiley, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.