Smith, L., & Healy Vardaman, S. (2011). The Problem of Demand in Combating Sex Trafficking.
Style de citation Chicago (17e éd.)Smith, Linda, et Samantha Healy Vardaman. The Problem of Demand in Combating Sex Trafficking. 2011.
Style de citation MLA (8e éd.)Smith, Linda, et Samantha Healy Vardaman. The Problem of Demand in Combating Sex Trafficking. 2011.
警告：這些引文格式不一定是100％准確.