Robinson, B.A. "Grouping Christian Denominations into Families." Ontario Consultants on Religious Tolerance, 2006. Online: 22 Sep 2010 [2] (页面存档备份,存于互联网档案馆)
Robinson, B.A. "Grouping Christian Denominations into Families." Ontario Consultants on Religious Tolerance, 2006. Online: 22 Sep 2010 [2] (页面存档备份,存于互联网档案馆)