(1990). The students' guide to graduate studies in the UK 1991: A concise personal guide to postgraduate courses and research (9th ed.). Crac, Hobson.
Παραπομπή σε μορφή Chicago (17η εκδ.)The Students' Guide to Graduate Studies in the UK 1991: A Concise Personal Guide to Postgraduate Courses and Research. 9th ed. Cambridge: Crac, Hobson, 1990.
Παραπομπή σε μορφή MLA (9th εκδ.)The Students' Guide to Graduate Studies in the UK 1991: A Concise Personal Guide to Postgraduate Courses and Research. 9th ed. Crac, Hobson, 1990.
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