Sharples, Mike, 1952-, author
Ellis Horwood Limited, 1985
Buku Teks
Mills, Paul, author
Routledge, 2006
Buku Teks
Mills, Paul, author
Routledge, 2006
Koleksi Publik
Hickler, Holly
Allyn and Bacon, 1979
Buku Teks
Cambridge University Press, 1990
Buku Teks