Bardbury, Mary
Routledge, 1999
Buku Teks
edited by Peter J. Burke
Stanford University Press, 2006
Buku Teks
International Association of Gerontology; edited by Clark Tibbitts and Wilma Donahue
Columbia University Press, 1962
Buku Teks SO
edited by John P. Robinson, Phillip R. Shaver, Lawrence S. Wrightsman
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Buku Teks
edited by G. P. Ginsburg.
Wiley, 1979
Buku Teks