Sheley, Joseph F., author
Wadsworth, 1987
Buku Teks
Collier, Richard, 1961-, author
Sage, 1998
Buku Teks
Bachman, Ronet, author
Sage, 2019
Buku Teks
edited by Vincenzo Ruggiero, Nigel South, Ian R. Taylor
Routledge , 1998.
Buku Teks
Walsh, Anthony, 1941-, author
Sage Publications, , 2007
Buku Teks