Coba jelasin Rujukan dari Ayah dalam bahasa melayu dong

S Kraemer (1991) The Origins of Fatherhood: An Ancient Family Process . Family Process 30 (4), 377–392. doi:10.1111/j.1545-5300.1991.00377.x

M J Diamond (2007) My Father Before Me; How Fathers and Sons Influence Each Other Throughout Their Lives. New York: WW Norton.