Shurter, R. L. (1959). Handy grammar reference: A guide to better English. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Shurter, Robert LeFevre. Handy Grammar Reference: A Guide to Better English. New York: McGraw-Hill, 1959.
Lua MLA (9ú heag.)Shurter, Robert LeFevre. Handy Grammar Reference: A Guide to Better English. McGraw-Hill, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.