Allyn and Bacon, Inc., 1975
Buku Teks
AVI Publishing Company, 1984
Buku Teks
Holt. Rinehart and Winston, 1974
Buku Teks
edited by Irving Lewis Allen
National University Publicatons, 1977
Buku Teks
edited by John P. Blair, David Nachmias
Sage, 1979
Buku Teks