Chesterton, G. K. (1957). St. Francis of Assisi. Image Books.
Chicagoスタイル(17版)引用形式Chesterton, Gilbert Keith. St. Francis of Assisi. Garden City, N.Y: Image Books, 1957.
MLA(9版)引用形式Chesterton, Gilbert Keith. St. Francis of Assisi. Image Books, 1957.
警告: この引用は必ずしも正確ではありません.