Raimes, A. (1992). Grammar troublespots: An editing guide for students (2nd ed.). St. Martin's.
Chicago Style (17th ed.) ZitazioaRaimes, Ann. Grammar Troublespots: An Editing Guide for Students. 2nd ed. New York: St. Martin's, 1992.
MLA (9th ed.) ZitazioaRaimes, Ann. Grammar Troublespots: An Editing Guide for Students. 2nd ed. St. Martin's, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.