5
by Rees, Jim
Published 2010
Gabal Verlag GmbH

8
by Tscheuschner, Marc
Published 2012
Gabal Verlag GmbH

9
by Schneider, Barbara
Published 2012
Gabal Verlag GmbH

14
by Song, Mike
Published 2010
Gabal Verlag GmbH

15
by Seifert, Josef W.
Published 2010
Gabal Verlag GmbH

16
by Blanchard, Ken
Published 2010
Gabal Verlag GmbH

18
by Herpers, Martine
Published 2013
Haufe-Lexware GmbH & Co. KG

20
by Powell, Sarah
Published 2011
Gabal Verlag GmbH