Scott Frickel; Kelly Moore, editor
University of Wisconsin Press , 2006
Buku Teks
Giddens, Anthony
Macmillan, 1979
Buku Teks
Biesanz, John
Prentice-Hall, 1964
Buku Teks
edited by Avtar Brah and Annie E. Coombes
Routledge, 2000
Buku Teks
Eisenberg, Leon
D. Reidel, 1981
Buku Teks