Lockwood, F. (1998). Planning and producing a course for open or distance learning: A one day programme of presentations, seminars, and workshop conducted on behalf of the UP Open University. UP Open University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLockwood, Fred. Planning and Producing a Course for Open or Distance Learning: A One Day Programme of Presentations, Seminars, and Workshop Conducted on Behalf of the UP Open University. [Diliman, Quezon City: UP Open University, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLockwood, Fred. Planning and Producing a Course for Open or Distance Learning: A One Day Programme of Presentations, Seminars, and Workshop Conducted on Behalf of the UP Open University. UP Open University, 1998.
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