Van Hoorn, J. (2011). Play at the center of the curriculum (5th ed.). Pearson.
芝加哥风格引文Van Hoorn, Judith. Play at the Center of the Curriculum. 5th ed. Boston: Pearson, 2011.
MLA引文Van Hoorn, Judith. Play at the Center of the Curriculum. 5th ed. Pearson, 2011.
警告：这些引文格式不一定是100％准确.