United States. Securities and Exchange Commission. Annual report of the Securities and Exchange Commission. U.S. G.P.O.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States. Securities and Exchange Commission. Annual Report of the Securities and Exchange Commission. Washington: U.S. G.P.O.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited States. Securities and Exchange Commission. Annual Report of the Securities and Exchange Commission. U.S. G.P.O.
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