Ryan, J. A. (1934). The Catholic Teaching on Our Industrial System. Washington, D.C..
Style de citation Chicago (17e éd.)Ryan, John A. The Catholic Teaching on Our Industrial System. Washington, D.C., 1934.
Style de citation MLA (8e éd.)Ryan, John A. The Catholic Teaching on Our Industrial System. Washington, D.C., 1934.
Attention : ces citations peuvent ne pas être correctes à 100%.