edited by John E. Tropman, John L. Erlich and Jack Rothman
F.E. Peacock, 2001
Buku Teks SO
Buku Teks SO
editors, Fred M. Cox ... [and others]
F.E. Peacock, 1977
Buku Teks SO
Etzioni, Amitai
A Touchestone Book, 1994
Buku Teks SO
Shields, James J,Jr
Frederick A. Preager, 1967
Buku Teks