Não informado. (1921). Cost accountant. Institute of Cost and Works Accountants.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Cost Accountant. London: Institute of Cost and Works Accountants, 1921.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Cost Accountant. Institute of Cost and Works Accountants, 1921.
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