Appleton-Century-Crofts , 1967
Buku Teks
Toennies, Ferdinand
The University of Chicago Press, 1971
Buku Teks
Andersen, Margaret L., author
Thomson, Wadsworth, 2009
Buku Teks
Giddens, Anthony, author
W.W. Norton & Compan, 2005
Buku Teks
Hughes, Michael, author
McGraw-Hill, Higher Education, 2009
Buku Teks