Junsuke Hara
Inequality amid affluence: social stratification in Japan
Trans Pacific Press, 2005
 Buku Teks SO
Niwata, Noriaki
The theory of insurance and social security in Japan / by Noriaki Niwata
The Insurance Institute of the Keio University , 1986
 Buku Teks
Aspects of social change in modern Japan
edited by R.P. Dore
Princeton University Press, 1967
 Buku Teks SO
Family and social policy in Japan anthropological approaches
edited by Roger Goodman
Cambridge University Press, 2002
 Buku Teks
Matras, Judah
Social inequality, stratification, and mobility
Prentice-Hall, 1975
 Buku Teks SO