Heffernan, J. A. W., & Lincoln, J. E. (1982). Writing, a college handbook. Norton.
Lua i Stíl Chicago (17ú heag.)Heffernan, James A. W., agus John E. Lincoln. Writing, a College Handbook. New York: Norton, 1982.
Lua MLA (9ú heag.)Heffernan, James A. W., agus John E. Lincoln. Writing, a College Handbook. Norton, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.