edited by Herbert Gottweis and Alan Petersen
Routledge, 2008
Buku Teks SO
edited by William E. Butler
Sijthoff & Noordhoff, 1980
Buku Teks SO
edited by S.N. Eisenstadt
Little, Brown and Company, 1968
Buku Teks SO
Gamer, Robert E.
Allyn and Bacon, 1976
Buku Teks SO
LaPalombara, Joseph
Conference Board, 1977
Buku Teks SO