Calvert Group, Henderson, H., Lickerman, J., & Flynn, P. (2000). Calvert-Henderson quality of life indicators. Calvert Group.
Cita Chicago (17th ed.)Calvert Group, Hazel Henderson, Jon Lickerman, i Patrice Flynn. Calvert-Henderson Quality of Life Indicators. Bethesda, MD: Calvert Group, 2000.
Cita MLA (9th ed.)Calvert Group, et al. Calvert-Henderson Quality of Life Indicators. Calvert Group, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.