Mother and Infant Research Activities. (1997). Improving health of the newborn infant in developing countries.
芝加哥风格引文Mother and Infant Research Activities. Improving Health of the Newborn Infant in Developing Countries. 1997.
MLA引文Mother and Infant Research Activities. Improving Health of the Newborn Infant in Developing Countries. 1997.
警告：这些引文格式不一定是100％准确.