(1990). The Best Of Psychology To Day. McGraw-Hill.
Dyfyniad Arddull ChicagoThe Best Of Psychology To Day. McGraw-Hill, 1990.
Dyfyniad MLAThe Best Of Psychology To Day. McGraw-Hill, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.