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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPeople & A Nation A History Of The United Stated Mary Bath Norton ...[et.al.]. Houghton Mifflin Company, 1984.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPeople & A Nation A History Of The United Stated Mary Bath Norton ...[et.al.]. Houghton Mifflin Company, 1984.
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