APA (7th ed.) Zitazioa
BRADY, N., & MCLEAN, L. ARBITRARY SYMBOL LEARNING BY ADULTS WITH SEVERE MENTAL RETARDATION: COMPARISON OF LEXIGRAMS AND PRINTED WORDS.
Chicago Style (17th ed.) Zitazioa
BRADY, N.C, eta L.K MCLEAN. ARBITRARY SYMBOL LEARNING BY ADULTS WITH SEVERE MENTAL RETARDATION: COMPARISON OF LEXIGRAMS AND PRINTED WORDS.
MLA (9th ed.) Zitazioa
BRADY, N.C, eta L.K MCLEAN. ARBITRARY SYMBOL LEARNING BY ADULTS WITH SEVERE MENTAL RETARDATION: COMPARISON OF LEXIGRAMS AND PRINTED WORDS.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.