APA način citiranja (7. izdanje)
PIAZZA, C., & ET AL. SLEEP PATTERNS IN CHILDREN AND YOUNG ADULTS WITH MENTAL RETARDATION AND SEVERE BEHAVIOR DISORDERS.
Čikaški stil citiranja (17. izdanje)
PIAZZA, C.C, i ET AL. SLEEP PATTERNS IN CHILDREN AND YOUNG ADULTS WITH MENTAL RETARDATION AND SEVERE BEHAVIOR DISORDERS.
MLA način citiranja (9. izdanje)
PIAZZA, C.C, i ET AL. SLEEP PATTERNS IN CHILDREN AND YOUNG ADULTS WITH MENTAL RETARDATION AND SEVERE BEHAVIOR DISORDERS.
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