(1998). Biosocial perspectives on children. New York: Cambridge University Press.
Dyfyniad Arddull ChicagoBiosocial Perspectives On Children. New York: Cambridge University Press, 1998.
Dyfyniad MLABiosocial Perspectives On Children. New York: Cambridge University Press, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.