APPLEBY,Robert C. (1972). Modern Business Adminstration Robert C. Appleby. Pitman Paperbacks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAPPLEBY,Robert C. Modern Business Adminstration Robert C. Appleby. Pitman Paperbacks, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAPPLEBY,Robert C. Modern Business Adminstration Robert C. Appleby. Pitman Paperbacks, 1972.
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