Ferring, D., Balducci, C., Burholt, V., Wenger, C., Thissen, F., Weber, G., & Hallberg, I. (2004). Life satisfaction of older people in six European countries: Findings from the European Study on Adult Well-Being. Eur J Ageing.

Ferring, Dieter, Cristian Balducci, Vanessa Burholt, Clare Wenger, F. Thissen, Germain Weber, و Ingalill Hallberg. "Life Satisfaction of Older People in Six European Countries: Findings From the European Study On Adult Well-Being." Eur J Ageing 2004.

Ferring, Dieter, et al. "Life Satisfaction of Older People in Six European Countries: Findings From the European Study On Adult Well-Being." Eur J Ageing 2004.