1.
|
Bradford, England : Emerald Group Publishing, c2004.
|
2.
|
Bradford, England : Emerald Group Publishing, c2005.
|
3.
|
Bradford : Emerald Insight, c2007.
|
4.
|
Bradford, England : Emerald Group Publishing, c2006.
|
5.
|
Hoboken, N.J. : John Wiley & Sons, c2008.
|