World Health Organization. (2002). Guidelines for the management of sexually transmitted infections in female sex workers. World Health Organization.
芝加哥风格引文World Health Organization. Guidelines for the Management of Sexually Transmitted Infections in Female Sex Workers. Geneva, Switzerland: World Health Organization, 2002.
MLA引文World Health Organization. Guidelines for the Management of Sexually Transmitted Infections in Female Sex Workers. World Health Organization, 2002.
警告：这些引文格式不一定是100％准确.