Shields, T. E. (1917). Catholic education series. Catholic Education Press.
Chicago-referens (17:e uppl.)Shields, Thomas Edward. Catholic Education Series. Washington, D.C.: Catholic Education Press, 1917.
MLA-referens (8:e uppl.)Shields, Thomas Edward. Catholic Education Series. Catholic Education Press, 1917.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.