Ko, I., & Xing, J. (2009). Extra classes and subjective well-being: Empirical evidence from Vietnamese children. Young Lives.
芝加哥风格引文Ko, I., 与 J. Xing. Extra Classes and Subjective Well-being: Empirical Evidence from Vietnamese Children. Young Lives, 2009.
MLA引文Ko, I., 与 J. Xing. Extra Classes and Subjective Well-being: Empirical Evidence from Vietnamese Children. Young Lives, 2009.
警告：这些引文格式不一定是100％准确.