Galvao, A. (1960). Summary deduction of the discoveries of the world, from their first original to the year 1555. Photoduplication Service, Newberry Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGalvao, Antonio. Summary Deduction of the Discoveries of the World, from Their First Original to the Year 1555. Chicago: Photoduplication Service, Newberry Library, 1960.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGalvao, Antonio. Summary Deduction of the Discoveries of the World, from Their First Original to the Year 1555. Photoduplication Service, Newberry Library, 1960.
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