edited by John P. Blair, David Nachmias
Sage, 1979
Buku Teks SO
McDonald, William F.
Sage, 1979
Buku Teks
edited by Irving Lewis Allen
National University Publicatons, 1977
Buku Teks SO
Hill, John W.
Prentice-Hall, 1975
Buku Teks SO
Holt, Rinehart and Winston, 1985
Buku Teks SO