Johnson, G. Contribution of Catholic education to American life. National Catholic Welfare Conference.
Chicago-referens (17:e uppl.)Johnson, George. Contribution of Catholic Education to American Life. Washington, D.C.: National Catholic Welfare Conference.
MLA-referens (8:e uppl.)Johnson, George. Contribution of Catholic Education to American Life. National Catholic Welfare Conference.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.