Cita APA (7th ed.)

Ko, I., & Xing, J. (2009). Extra classes and subjective well-being: Empirical evidence from Vietnamese children. Young Lives.

Cita Chicago (17th ed.)

Ko, I., i J. Xing. Extra Classes and Subjective Well-being: Empirical Evidence from Vietnamese Children. Young Lives, 2009.

Cita MLA (9th ed.)

Ko, I., i J. Xing. Extra Classes and Subjective Well-being: Empirical Evidence from Vietnamese Children. Young Lives, 2009.