Dutton, Michael R.
Cambridge University Press , 1992
Buku Teks
editor, Tim Read, Colin Rogers, PAJ Waddington, Martin Wright
Learning Matters, 2011
Buku Teks
Braswell, Michael C., author
Elsevier, 2012
Buku Teks
Andrew Millie, Dilip K. Das, editor
CRC Press, Taylor & Francis Group, 2008
Buku Teks
edited by Chas Critcher and David Waddington
Avebury, 1996
Buku Teks