World Health Organization. (2011). Helminth control in school-age children: A guide for managers of control programmes (2nd.). World Health Organization.
芝加哥风格引文World Health Organization. Helminth Control in School-age Children: A Guide for Managers of Control Programmes. 2nd. 2011: World Health Organization, 2011.
MLA引文World Health Organization. Helminth Control in School-age Children: A Guide for Managers of Control Programmes. 2nd. World Health Organization, 2011.
警告：这些引文格式不一定是100％准确.