Thompson, Kenneth, author
Routledge, 1996
Buku Teks
edited by Jonathan Gabe and Lee E. Monaghan
Sage, 2013
Buku Teks
Schrag, Clarence C., author
Harper & Row, 1963
Buku Teks
Ginsberg, Morris
Buku Teks
Zanden, James W. Vander, author
John Wiley & Sons, 1979
Buku Teks