APA (7th ed.) Zitazioa
Heflin, L. J., & Bullock, L. M. (1992). Exceptionalities in children and youth (Instructor's ed.). Allyn and Bacon.
Chicago Style (17th ed.) Zitazioa
Heflin, L. Juane, eta Lyndal M. Bullock. Exceptionalities in Children and Youth. Instructor's ed. Boston: Allyn and Bacon, 1992.
MLA (9th ed.) Zitazioa
Heflin, L. Juane, eta Lyndal M. Bullock. Exceptionalities in Children and Youth. Instructor's ed. Allyn and Bacon, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.