edited, Hamza Alavi, Teodor Shanin
Macmillan, 1982
Buku Teks
Hoogvelt, Ankie M. M., author
Macmillan, 1994
Buku Teks
Giddens, Anthony, author
W.W. Norton & Compan, 2005
Buku Teks
Tischler, Henry L.
Wadsworth and Cengage Learning, 2014
Buku Teks
Mckee, James B., author
Holt, Rinehart and Winston, 1969
Buku Teks