Chesterton, G. K. (1923). St. Francis of Assisi. Hodder and Stoughton.
Lua i Stíl Chicago (17ú heag.)Chesterton, G. K. St. Francis of Assisi. London: Hodder and Stoughton, 1923.
Lua MLA (8ú heag.)Chesterton, G. K. St. Francis of Assisi. Hodder and Stoughton, 1923.
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