Irwin, T. (1966). What the executive should know about tensions. American Research Council.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIrwin, Theodore. What the Executive Should Know About Tensions. Larchmont, N. Y: American Research Council, 1966.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIrwin, Theodore. What the Executive Should Know About Tensions. American Research Council, 1966.
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