Mitchell, R. J. (1977). Merit rating in industry and the armed services [microform]. Photoduplication Service. University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMitchell, Robert Jouett. Merit Rating in Industry and the Armed Services [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMitchell, Robert Jouett. Merit Rating in Industry and the Armed Services [microform]. Photoduplication Service. University of the Philippines Library, 1977.
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