Santrock, J. W. (2002). A topical approach to life-span development. Boston: McGraw-Hill.
Dyfyniad Arddull ChicagoSantrock, John W. A Topical Approach to Life-span Development. Boston: McGraw-Hill, 2002.
Dyfyniad MLASantrock, John W. A Topical Approach to Life-span Development. Boston: McGraw-Hill, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.