APA način citiranja (7. izdanje)
SIMPSON, D., & ET AL. DRUG ABUSE TREATMENT PROCESS COMPONENTS THAT IMPROVE RETENTION.
Čikaški stil citiranja (17. izdanje)
SIMPSON, D., i ET AL. DRUG ABUSE TREATMENT PROCESS COMPONENTS THAT IMPROVE RETENTION.
MLA način citiranja (9. izdanje)
SIMPSON, D., i ET AL. DRUG ABUSE TREATMENT PROCESS COMPONENTS THAT IMPROVE RETENTION.
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