The Free Press, 1982
Buku Teks
Firestone, Robert W., author
American Psychological Association, 2003
Buku Teks
R. Yuniar, author
1990
UI - Skripsi (Membership)
State University of New York Press, 1970
Buku Teks
Tjeltveit, Alan C.
Routledge, 1999
Buku Teks