Ryan, J. H. (1922). A Catechism of Catholic Education. Washington, D.C..
Chicago Style (17. basım) AtıfRyan, James H. A Catechism of Catholic Education. Washington, D.C., 1922.
MLA (8th ed.) AtıfRyan, James H. A Catechism of Catholic Education. Washington, D.C., 1922.
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