Ryan, J. A. (1937). The Constitution and Catholic industrial teaching. Published for the Social Action Department N.C.W.C. by the Paulist Press.
Lua i Stíl Chicago (17ú heag.)Ryan, John A. The Constitution and Catholic Industrial Teaching. New York: Published for the Social Action Department N.C.W.C. by the Paulist Press, 1937.
Lua MLA (8ú heag.)Ryan, John A. The Constitution and Catholic Industrial Teaching. Published for the Social Action Department N.C.W.C. by the Paulist Press, 1937.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.