APA (7th ed.) Zitazioa
ESPIE, C., & ET AL. (1998). SLEEP STUDIES OF ADULTS WITH SEVERE OR PROFOUND MENTAL RETARDATION AND EPILEPSY.
Chicago Style (17th ed.) Zitazioa
ESPIE, C.A, eta ET AL. SLEEP STUDIES OF ADULTS WITH SEVERE OR PROFOUND MENTAL RETARDATION AND EPILEPSY. 1998.
MLA (9th ed.) Zitazioa
ESPIE, C.A, eta ET AL. SLEEP STUDIES OF ADULTS WITH SEVERE OR PROFOUND MENTAL RETARDATION AND EPILEPSY. 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.