(1997). The state of the world's children 1997.
芝加哥风格引文The State of the World's Children 1997. 1997.
MLA引文The State of the World's Children 1997. 1997.
警告：这些引文格式不一定是100％准确.
APA引文
(1997). The state of the world's children 1997.
芝加哥风格引文The State of the World's Children 1997. 1997.
MLA引文The State of the World's Children 1997. 1997.