VIOLA, R. H. (1977). Organizations In A Changing Society Administration And Human Valves Richard H. Viola. WB Saunders Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVIOLA, Richard H. Organizations In A Changing Society Administration And Human Valves Richard H. Viola. WB Saunders Company, 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVIOLA, Richard H. Organizations In A Changing Society Administration And Human Valves Richard H. Viola. WB Saunders Company, 1977.
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