Mannheim, Karl
Routledge & Kegan Paul, 1956
Buku Teks SO
Merrill, Francis E. (Francis Ellsworth), 1904-1969
Prentice-Hall, 1965
Buku Teks SO
McCarthy, E. Doyle
Routledge, 1996
Buku Teks
Brym, Robert J.
Wadsworth and Cengage Learning, 2013
Buku Teks
Swartz, David
The University of Chicago Press, 1997
Buku Teks