Não informado. (1976). Journal of Family History. National Council on Family Relations.
Chicago-referens (17:e uppl.)Não informado. Journal of Family History. Greenwich, Conn: National Council on Family Relations, 1976.
MLA-referens (8:e uppl.)Não informado. Journal of Family History. National Council on Family Relations, 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.