Unwin, L. (1998). The role of the library in distance learning: A study of postgraduate students, course providers and librarians in the UK. Bowker-Saur.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnwin, Lorna. The Role of the Library in Distance Learning: A Study of Postgraduate Students, Course Providers and Librarians in the UK. East Grindsteas: Bowker-Saur, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnwin, Lorna. The Role of the Library in Distance Learning: A Study of Postgraduate Students, Course Providers and Librarians in the UK. Bowker-Saur, 1998.
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