Chesterton, G. K. (1924). St. Francis of Assisi. Doubleday, Doran.
Lua i Stíl Chicago (17ú heag.)Chesterton, G. K. St. Francis of Assisi. Garden City, N.Y.: Doubleday, Doran, 1924.
Lua MLA (8ú heag.)Chesterton, G. K. St. Francis of Assisi. Doubleday, Doran, 1924.
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