Hamp-Lyons, L., & Heasley, B. (1987). Study writing : a course in written English for academic and professional purposes / Liz Hamp-Lyons, Ben Heasley: A course in written English for academic and professional purposes. Cambridge University Press.
Chicago Style (17th ed.) CitationHamp-Lyons, Liz, and Ben Heasley. Study Writing : A Course in Written English for Academic and Professional Purposes / Liz Hamp-Lyons, Ben Heasley: A Course in Written English for Academic and Professional Purposes. Cambridge: Cambridge University Press, 1987.
MLA (9th ed.) CitationHamp-Lyons, Liz, and Ben Heasley. Study Writing : A Course in Written English for Academic and Professional Purposes / Liz Hamp-Lyons, Ben Heasley: A Course in Written English for Academic and Professional Purposes. Cambridge University Press, 1987.