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.
ציטוט MLARyan, John A. The Catholic Teaching on Our Industrial System. Washington, D.C., 1934.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.