Phillips, E., & Pugh, D. S. (2000). How to get a PhD: A handbook for students and their supervisors (3rd ed., rev. and updated.). Open University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhillips, Estelle, और Derek Salman Pugh. How to Get a PhD: A Handbook for Students and Their Supervisors. 3rd ed., rev. and updated. Buckingham [England]: Open University Press, 2000.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhillips, Estelle, और Derek Salman Pugh. How to Get a PhD: A Handbook for Students and Their Supervisors. 3rd ed., rev. and updated. Open University Press, 2000.
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