International Conference on the Reduction of Drug-Related Harm, Erickson, P. G., Riley, D. M., Cheung, Y., & O'Hare, P. A. (1997). Harm reduction: A new direction for drug policies and programs. University of Toronto Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Conference on the Reduction of Drug-Related Harm, Patricia G. Erickson, Diane M. Riley, Yuet-wah Cheung, و P. A. O'Hare. Harm Reduction: A New Direction for Drug Policies and Programs. Toronto: University of Toronto Press, 1997.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Conference on the Reduction of Drug-Related Harm, et al. Harm Reduction: A New Direction for Drug Policies and Programs. University of Toronto Press, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.