Cita APA (7th ed.)
Mark D. Holder. Happiness in Children: Measurement, Correlates and Enhancement of Positive Subjective Well-Being. Springer.
Cita Chicago (17th ed.)
Mark D. Holder. Happiness in Children: Measurement, Correlates and Enhancement of Positive Subjective Well-Being. Dordrecht, Holanda: Springer.
Cita MLA (9th ed.)
Mark D. Holder. Happiness in Children: Measurement, Correlates and Enhancement of Positive Subjective Well-Being. Springer.
Atenció: Aquestes cites poden no estar 100% correctes.