Παραπομπή APA

Huo, D., & Ouellet, L. J. (2009). Needle Exchange and Sexual Risk Behaviors among a Cohort of Injection Drug Users in Chicago, Illinois.

Παραπομπή Chicago Style

Huo, Dezheng, και Lawrence J. Ouellet. Needle Exchange and Sexual Risk Behaviors Among a Cohort of Injection Drug Users in Chicago, Illinois. 2009.

Παραπομπή MLA

Huo, Dezheng, και Lawrence J. Ouellet. Needle Exchange and Sexual Risk Behaviors Among a Cohort of Injection Drug Users in Chicago, Illinois. 2009.

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