Ko, I., & Xing, J. (2009). Extra classes and subjective well-being: Empirical evidence from Vietnamese children. Young Lives.
Chicago-čujuhus (17. p.)Ko, I., juo J. Xing. Extra Classes and Subjective Well-being: Empirical Evidence from Vietnamese Children. Young Lives, 2009.
MLA-čujuhus (9. p.)Ko, I., juo J. Xing. Extra Classes and Subjective Well-being: Empirical Evidence from Vietnamese Children. Young Lives, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.