Nicholson, Michael
Oligopoly and conflict : a dynamic approach
Liverpool University Press , 1972
 Buku Teks
Kissler, Gary D.
The change riders: managing the power of change
Addison-Wesley, 1991
 Buku Referensi
Neubeck, Kenneth J.
Sociology: a critical approach
Mc Graw-Hill, 1996
 Buku Teks
A critical approach to children's literature
by Jacquelyn Sanders ... [and others]
The University of Chicago , 1968
 Buku Teks
Women and the power to change
edited by Florence Howe
McGraw-Hill, 1975
 Buku Teks