Hamp-Lyons, L., & Heasley, B. (1987). Study writing: A cource in written english for academic and professional purpose. Cambridge University Press.
Chicago Style (17th ed.) CitationHamp-Lyons, Liz, and Ben Heasley. Study Writing: A Cource in Written English for Academic and Professional Purpose. Cambridge University Press, 1987.
MLA (8th ed.) CitationHamp-Lyons, Liz, and Ben Heasley. Study Writing: A Cource in Written English for Academic and Professional Purpose. Cambridge University Press, 1987.
Warning: These citations may not always be 100% accurate.