Poon , L. W. (2012). Understanding well-being in the oldest old. Cambridge University Press.
Chicago-stil citatPoon , Leonard W. Understanding Well-being in the Oldest Old. Cambridge University Press, 2012.
MLA-referensPoon , Leonard W. Understanding Well-being in the Oldest Old. Cambridge University Press, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.