Paul, J. (2019). Business Environment: Text and Cases (4th.). McGraw Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPaul, Justin. Business Environment: Text and Cases. 4th. Chennai: McGraw Hill, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPaul, Justin. Business Environment: Text and Cases. 4th. McGraw Hill, 2019.
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