Gorrell, R. M., & Laird, C. (1956). Modern English handbook (2nd. ed.). Prentice Hall.
Chicago Style aipamenaGorrell, Robert M., and Charlton Laird. Modern English Handbook. 2nd. ed. New Jerag: Prentice Hall, 1956.
MLA aipamenaGorrell, Robert M., and Charlton Laird. Modern English Handbook. 2nd. ed. Prentice Hall, 1956.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.