Maykovich, Minako K.
Alfred, 1980
Buku Teks
Cockerham, William C
Prentice-Hall, 1986
Buku Teks
edited by Graham Scambler
Bailliere Tindal , 1991
Buku Teks
edited by Jonathan Gabe, Michael Calnan and Michael Bury
Routledge , 1991
Buku Teks
Macmillan Company of Australia, 1989
Buku Teks