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