Ryan, J. H. (1922). A Catechism of Catholic Education. Washington, D.C..
Chicagoスタイル(17版)引用形式Ryan, James H. A Catechism of Catholic Education. Washington, D.C., 1922.
MLA(8版)引用形式Ryan, James H. A Catechism of Catholic Education. Washington, D.C., 1922.
警告: この引用は必ずしも正確ではありません.