National Association of Secretaries of State (U.S.). (1987). National Association of Secretaries of State handbook. The Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Association of Secretaries of State (U.S.). National Association of Secretaries of State Handbook. [United States]: The Association, 1987.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNational Association of Secretaries of State (U.S.). National Association of Secretaries of State Handbook. The Association, 1987.
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