edited by Patricia Grimshaw, Chris McConville and Ellen McEwen
George Allen and Unwin, 1985
Buku Teks
Martin, David
Rigby, 1980
Buku Teks
Jerzy Krupinski, Alan Stoller
Pergamon Press, 1980
Buku Teks
Carey, Peter
University of Queensland Press, 1981
Buku Teks
International Association of Gerontology; edited by Clark Tibbitts and Wilma Donahue
Columbia University Press, 1962
Buku Teks