APA (7th ed.) Zitazioa
Hewett, F. M., & Forness, S. R. (1977). Education of exceptional learners (2nd ed.). Allyn and Bacon.
Chicago Style (17th ed.) Zitazioa
Hewett, Frank M., eta Steven R. Forness. Education of Exceptional Learners. 2nd ed. Boston: Allyn and Bacon, 1977.
MLA (9th ed.) Zitazioa
Hewett, Frank M., eta Steven R. Forness. Education of Exceptional Learners. 2nd ed. Allyn and Bacon, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.