Schneider, D. J., Hastorf, A. H., & Ellsworth, P. (1979). Person perception (2nd ed.). Addison-Wesley Pub. Co.
Dyfyniad Arddull ChicagoSchneider, David J., Albert H. Hastorf, and Phoebe Ellsworth. Person Perception. 2nd ed. Reading, Mass: Addison-Wesley Pub. Co, 1979.
Dyfyniad MLASchneider, David J., et al. Person Perception. 2nd ed. Addison-Wesley Pub. Co, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.