Hamp-Lyons, L., & Heasley, B. (1987). Study writing: A course in written english for academic and professional purposes. Cambridge University Press.
Chicago-referens (17:e uppl.)Hamp-Lyons, Liz, och Ben Heasley. Study Writing: A Course in Written English for Academic and Professional Purposes. Cambridge: Cambridge University Press, 1987.
MLA-referens (9:e uppl.)Hamp-Lyons, Liz, och Ben Heasley. Study Writing: A Course in Written English for Academic and Professional Purposes. Cambridge University Press, 1987.
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