USAID. Nepal Maternal Mortality and Morbidity Study 2008/2009.
芝加哥风格引文USAID. Nepal Maternal Mortality and Morbidity Study 2008/2009.
MLA引文USAID. Nepal Maternal Mortality and Morbidity Study 2008/2009.
警告：这些引文格式不一定是100％准确.
APA引文