by Catherine Bauer [and others]; edited by Coleman Woodbury
The University of Chicago Press, 1953
Buku Teks SO
Amin, Ash
Polity Press, 2010
Buku Teks SO
Dahinden, Justus
Verlag Gerd Hatje, 1971
Buku Teks SO
Choldin, Harvey M.
McGraw-Hill, 1985
Buku Teks SO
Ravetz, Alison
Croom Helm , 1980
Buku Teks SO