Não informado. (1938). Personnel Administration. Society for Personnel Administration.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Personnel Administration. Washington: Society for Personnel Administration, 1938.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Personnel Administration. Society for Personnel Administration, 1938.
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