Halsey, G. D. (1955). Selecting and developing first-line supervisors. Harper.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHalsey, George D. Selecting and Developing First-line Supervisors. New york: Harper, 1955.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHalsey, George D. Selecting and Developing First-line Supervisors. Harper, 1955.
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