York, M. J., & Ferraro Close, L. (2013). The three little pigs. Child's World.
芝加哥风格引文York, M. J., 与 Laura Ferraro Close. The Three Little Pigs. Mankato, MN: Child's World, 2013.
MLA引文York, M. J., 与 Laura Ferraro Close. The Three Little Pigs. Child's World, 2013.
警告：这些引文格式不一定是100％准确.