Westenberger, E. J. (1927). A study of the influence of physical defects upon intelligence and achievement. Catholic Education Press.
Lua i Stíl Chicago (17ú heag.)Westenberger, Edward Joseph. A Study of the Influence of Physical Defects upon Intelligence and Achievement. Washington, D.C.: Catholic Education Press, 1927.
Lua MLA (8ú heag.)Westenberger, Edward Joseph. A Study of the Influence of Physical Defects upon Intelligence and Achievement. Catholic Education Press, 1927.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.