Riga, P. (1966). John XXIII and the city of man. Newman Press.
Chicagoスタイル(17版)引用形式Riga, Peter. John XXIII and the City of Man. Westminster, Md: Newman Press, 1966.
MLA(9版)引用形式Riga, Peter. John XXIII and the City of Man. Newman Press, 1966.
警告: この引用は必ずしも正確ではありません.