Puffer, R. R., & Serrano, C. V. (1973). Patterns of Mortality in Childhood.
芝加哥风格引文Puffer, Rice Ruth, 与 Carlos V. Serrano. Patterns of Mortality in Childhood. 1973.
MLA引文Puffer, Rice Ruth, 与 Carlos V. Serrano. Patterns of Mortality in Childhood. 1973.
警告：这些引文格式不一定是100％准确.