Daniels, J. D. (2007). International business environments and operations John D. Daniels, Lee H. Radebaugh and Daniel P. Sullivan. Pearson.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDaniels, John D. International Business Environments and Operations John D. Daniels, Lee H. Radebaugh and Daniel P. Sullivan. Pearson, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDaniels, John D. International Business Environments and Operations John D. Daniels, Lee H. Radebaugh and Daniel P. Sullivan. Pearson, 2007.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.