2
by Kennel, Glenn
Published 2007
Focal Press

3
by Sweetow, Stuart
Published 2011
Focal Press

4
by Strayer, Pam
Published 2005
Sams Pub.

5
by James, Jack
Published 2006
Elsevier

6
by Grant, Tony
Published 2003
Focal

7
by Ward, Peter
Published 2001
Focal Press

8
by Ferncase, Richard K.
Published 1992
Focal Press

9
by Wheeler, Paul
Published 2001
Focal Press

10
by Willoughby, Nick
Published 2015
John Wiley & Sons, Inc.

11
by Fauer, Jon
Published 2001
Focal Press

12
by Lancaster, Kurt
Published 2011
Focal Press/Elsevier

14
by Bardosh, Karl
Published 2007
Alpha

15
by Knight, Chris
Published 2017
Rocky Nook

16
by Andersson, Barry
Published 2012
Wiley Pub.

17
by Barber, Kirk
Published 2005
CMP Books

18
by Muchnik, Federico
Published 2017
Routledge

19
by Ganbar, Ron
Published 2014
Peachpit Press

20
by Owens, Jim
Published 2012
Focal Press