Παραπομπή APA

Bohnert, A. S., Tracy, M., & Galea, S. (2011). Characteristics of drug users who witness many overdoses: Implications for overdose prevention.

Παραπομπή Chicago Style

Bohnert, Amy S.B., Melissa Tracy, και Sandro Galea. Characteristics of Drug Users Who Witness Many Overdoses: Implications for Overdose Prevention. 2011.

Παραπομπή MLA

Bohnert, Amy S.B., Melissa Tracy, και Sandro Galea. Characteristics of Drug Users Who Witness Many Overdoses: Implications for Overdose Prevention. 2011.

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