Ryan, G. W., Stern, S. A., Hilton, L., Tucker, J. S., Kennedy, D. P., Golinelli, D., & Wenzel, S. L. (2009). When, where, why and with whom homeless women engage in risky sexual behaviors: A framework for understanding complex and varied decision-making processes.

Ryan, Gery W., Stefanie A. Stern, Lara Hilton, Joan S. Tucker, David P. Kennedy, Daniela Golinelli, và Suzanne L. Wenzel. When, Where, Why and With Whom Homeless Women Engage in Risky Sexual Behaviors: A Framework for Understanding Complex and Varied Decision-making Processes. 2009.

Ryan, Gery W., et al. When, Where, Why and With Whom Homeless Women Engage in Risky Sexual Behaviors: A Framework for Understanding Complex and Varied Decision-making Processes. 2009.