Gaya APA

Wahl, H, W. (2006). The Many Faces of Health Competence and Well Being in Old Age : Integrating Epidemiology, Psycological and Social Perspectives . Netherlands: Springer Publishing.

Gaya MLA

Wahl, Hans, Werner. "The Many Faces of Health Competence and Well Being in Old Age : Integrating Epidemiology, Psycological and Social Perspectives". Netherlands: Springer Publishing, 2006. Text.