Ryan, J. H. (1922). A catechism of Catholic education. Washington, D.C..
Chicago Style (17th ed.) CitationRyan, James H. A Catechism of Catholic Education. Washington, D.C., 1922.
Cita MLARyan, James H. A Catechism of Catholic Education. Washington, D.C., 1922.
Atenció: Aquestes cites poden no estar 100% correctes.