Hansen, W. G. (1971). St. Francis of Assisi: Patron of the environment. Franciscan Herald Press.
Chicagoスタイル(17版)引用形式Hansen, Warren G. St. Francis of Assisi: Patron of the Environment. Chicago, Ill.: Franciscan Herald Press, 1971.
MLA(8版)引用形式Hansen, Warren G. St. Francis of Assisi: Patron of the Environment. Franciscan Herald Press, 1971.
警告: この引用は必ずしも正確ではありません.