HAMP-LYONS, L., & HEASLEY, B. (1990). Study writing: A Course in written english for academicand professional purposes. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)HAMP-LYONS, Liz, agus Ben HEASLEY. Study Writing: A Course in Written English for Academicand Professional Purposes. New York: Cambridge University Press, 1990.
Lua MLA (9ú heag.)HAMP-LYONS, Liz, agus Ben HEASLEY. Study Writing: A Course in Written English for Academicand Professional Purposes. Cambridge University Press, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.