ebrary, Inc, Edmondson, R., & Kondratowitz, H. v. (2009). Valuing older people: A humanist approach to ageing. Policy Press.
Chicago Style (17th ed.) Zitazioaebrary, Inc, Ricca Edmondson, eta Hans-Joachim von Kondratowitz. Valuing Older People: A Humanist Approach to Ageing. Bristol: Policy Press, 2009.
MLA (9th ed.) Zitazioaebrary, Inc, et al. Valuing Older People: A Humanist Approach to Ageing. Policy Press, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.