WRIGHT, W. Direct Standard Costs For Decision Making And Control Wilmer Wright. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWRIGHT, Wilmar. Direct Standard Costs For Decision Making And Control Wilmer Wright. McGraw-Hill.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWRIGHT, Wilmar. Direct Standard Costs For Decision Making And Control Wilmer Wright. McGraw-Hill.
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