1
by Gillies
Published 2006
2
3
by Sugarman
Published 1992
4
by Halliday
Published 1992
5
by Hussain
Published 2008
6
by Brown
Published 2008
7
by Harne
Published 2008
8
Published 2007
9
by Reynolds, 1948-
Published 2008
10
by Morgan
Published 2008
11
by Martel
Published 1986
12
13
14
by Billig
Published 1992
15
by Coats, 1924-
Published 1992
16
by Fromkin
Published 1989
17
18
by Roberti
Published 1994
19
by Brown
Published 2008
20
by Somekh
Published 2007