Osborne, M. P. (2011). Abraham lincoln: A nonfiction companion to magic tree house #47: abe lincoln at last!
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOsborne, Mary Pope. Abraham Lincoln: A Nonfiction Companion to Magic Tree House #47: Abe Lincoln at Last! 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOsborne, Mary Pope. Abraham Lincoln: A Nonfiction Companion to Magic Tree House #47: Abe Lincoln at Last! 2011.
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