Webster, N. (1957). Webster's new twentieth century dictionary of the english language: Unabridged (second edition.). The World Publishing Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWebster, Noah. Webster's New Twentieth Century Dictionary of the English Language: Unabridged. second edition. Cleveland. New York: The World Publishing Company, 1957.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWebster, Noah. Webster's New Twentieth Century Dictionary of the English Language: Unabridged. second edition. The World Publishing Company, 1957.
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