Santrock, J. W. (2007). Child development (Eleventh edition.). McGraw-Hill.
Dyfyniad Arddull ChicagoSantrock, John W. Child Development. Eleventh edition. Boston: McGraw-Hill, 2007.
Dyfyniad MLASantrock, John W. Child Development. Eleventh edition. McGraw-Hill, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.