Dyfyniad APA

Rogers, S. J., & Ruefli, T. (2004). Does harm reduction programming make a difference in the lives of highly marginalized, at-risk drug users? BioMed Central.

Dyfyniad Arddull Chicago

Rogers, Susan J., and Terry Ruefli. Does Harm Reduction Programming Make a Difference in the Lives of Highly Marginalized, At-risk Drug Users? BioMed Central, 2004.

Dyfyniad MLA

Rogers, Susan J., and Terry Ruefli. Does Harm Reduction Programming Make a Difference in the Lives of Highly Marginalized, At-risk Drug Users? BioMed Central, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.