Hayes, P. J. (1936). Pope Pius XI. Washington, D.C..
Chicagoスタイル(17版)引用形式Hayes, Patrick Joseph. Pope Pius XI. Washington, D.C., 1936.
MLA(8版)引用形式Hayes, Patrick Joseph. Pope Pius XI. Washington, D.C., 1936.
警告: この引用は必ずしも正確ではありません.
Hayes, P. J. (1936). Pope Pius XI. Washington, D.C..
Chicagoスタイル(17版)引用形式Hayes, Patrick Joseph. Pope Pius XI. Washington, D.C., 1936.
MLA(8版)引用形式Hayes, Patrick Joseph. Pope Pius XI. Washington, D.C., 1936.