APA (7th ed.) Zitazioa
JOHNSON, R., & ET AL. (1989). UNLOCKING THE CURRICULUM: PRINCIPLES FOR ACHIEVING ACCESS IN DEAF EDUCATION. GALLAUDET RESEARCH INSTITUTE.
Chicago Style (17th ed.) Zitazioa
JOHNSON, R.E, eta ET AL. UNLOCKING THE CURRICULUM: PRINCIPLES FOR ACHIEVING ACCESS IN DEAF EDUCATION. WASHINGTON (USA): GALLAUDET RESEARCH INSTITUTE, 1989.
MLA (9th ed.) Zitazioa
JOHNSON, R.E, eta ET AL. UNLOCKING THE CURRICULUM: PRINCIPLES FOR ACHIEVING ACCESS IN DEAF EDUCATION. GALLAUDET RESEARCH INSTITUTE, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.