National Committee on Urban Transportation & Public Administration Service. (1958). Procedure manual. Public Administration Service.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Committee on Urban Transportation और Public Administration Service. Procedure Manual. Chicago: Public Administration Service, 1958.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Committee on Urban Transportation और Public Administration Service. Procedure Manual. Public Administration Service, 1958.
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