Williams, J. W., & Stith, M. (1980). Middle childhood: Behavior and development (2nd ed.). Macmillan.
芝加哥风格引文Williams, Joyce Wolfgang, 与 Marjorie Stith. Middle Childhood: Behavior and Development. 2nd ed. New York: Macmillan, 1980.
MLA引文Williams, Joyce Wolfgang, 与 Marjorie Stith. Middle Childhood: Behavior and Development. 2nd ed. Macmillan, 1980.
警告：这些引文格式不一定是100％准确.