APA način citiranja (7. izdanje)
RAY, N. UNDERSTANDING THE PARENTS WHO ARE MENTALLY RETARDED: GUIDELINES FOR FAMILY PRESERVATION PROGRAMS.
Čikaški stil citiranja (17. izdanje)
RAY, N.K. UNDERSTANDING THE PARENTS WHO ARE MENTALLY RETARDED: GUIDELINES FOR FAMILY PRESERVATION PROGRAMS.
MLA način citiranja (9. izdanje)
RAY, N.K. UNDERSTANDING THE PARENTS WHO ARE MENTALLY RETARDED: GUIDELINES FOR FAMILY PRESERVATION PROGRAMS.
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