King, Martin Luther
The Trumpet of Conscience / Martin Luther King
Harper & Row Publhers, 1968
 Buku Teks SO
Economic crisis and corporate restructuring in Korea
Stephan Haggar, editor; Wonhyuk Lim, editor
Cambridge University Press, 2003
 Buku Teks
M. Amien Rais
Tauhid sosial : formula menggempur kesenjangan
Mizan, 1998
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Grasso, John T.
Vocational education and training: impact on youth / John T. Grasso, John R. Shea
Carnegie Foundation, 1979
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Morales, Armando
Social work : a profession of many faces
Allyn and Bacon, 1977
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