Mark Twain. (2010). Extract from captain stormfield's visit to heaven. Project Gutenberg.
Style de citation Chicago (17e éd.)Mark Twain. Extract from Captain Stormfield's Visit to Heaven. To be supplied: Project Gutenberg, 2010.
Style de citation MLA (8e éd.)Mark Twain. Extract from Captain Stormfield's Visit to Heaven. Project Gutenberg, 2010.
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