- Author: Maxwell Daniel G., Walker Peter
- Language: English
- Year: 2009
- Author: Maxwell Daniel G., Walker Peter
- Language: English
- Year: 2009
- Author: Europäische Union., Bersick Sebastian
- Language: English
- Year: 2006
- Author: Innerarity Daniel, Sassen Saskia, Kingery Sandra
- Language: English
- Year: 2016
- Author: Deutsche Filmgesellschaft., Wedel Michael
- Language: German
- Year: 2013
- Author: Nekrič Aleksandr M.
- Language: English
- Year: 1997
- Author: Midgley James
- Language: English
- Year: 1998