ebrary, Inc, Cohen, L. E., & Waite-Stupiansky, S. (2012). Play: A polyphony of research, theories, and issues. University Press of America.
芝加哥风格引文ebrary, Inc, Lynn E. Cohen, 与 Sandra Waite-Stupiansky. Play: A Polyphony of Research, Theories, and Issues. Lanham: University Press of America, 2012.
MLA引文ebrary, Inc, et al. Play: A Polyphony of Research, Theories, and Issues. University Press of America, 2012.
警告：这些引文格式不一定是100％准确.