Coughlan, S. (2011). Fairness challenge from first global education 'laureate'. BBC News , Business.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCoughlan, Sean. Fairness Challenge from First Global Education 'Laureate'. BBC News , Business, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCoughlan, Sean. Fairness Challenge from First Global Education 'Laureate'. BBC News , Business, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.