edited by Harry Eckstein and David E. Apter
Free Press, 1968
Buku Teks
edited by Henry Mayer
F.W. Chesire, 1966
Buku Teks
edited by Henry Mayer and Helen Nelson
Cheshire, 1973
Buku Teks
edited by Thomas R. Dye, Brett W. Hawkins
Charles E. Merrill, 1967
Buku Teks
edited by James N. Rosenau
Free Press, 1961
Buku Teks