Various. Harper's Young People, April 18, 1882 An Illustrated Weekly.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVarious. Harper's Young People, April 18, 1882 An Illustrated Weekly.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVarious. Harper's Young People, April 18, 1882 An Illustrated Weekly.
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