Ryan, J. A. (1934). The Catholic Teaching on Our Industrial System. Washington, D.C..
Chicago Style (17th ed.) CitationRyan, John A. The Catholic Teaching on Our Industrial System. Washington, D.C., 1934.
MLA (8th ed.) CitationRyan, John A. The Catholic Teaching on Our Industrial System. Washington, D.C., 1934.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.