- Author: Gianfranco Pasquino
- Language: Spanish
- Year: 2011
- Author: Gianfranco Pasquino
- Language: Italian
- Year: 1997
- Author: Gianfranco Pasquino
- Language: Italian
- Year: 2008
- Author: Norberto Bobbio Nicola Matteuci Gianfranco Pasquino
- Language: Portuguese
- Year: 1998
- Author: Norberto Bobbio Nicola Matteucci Gianfranco Pasquino
- Language: Italian
- Year: 1983
- Author: Gianfranco Pasquino
- Language: Romanian
- Year: 2002
- Author: Norberto Bobbio, Nicola Matteucci, Gianfranco Pasquino, et al
- Language: Portuguese
- Year: 2000
- Author: Norberto Bobbio Nicola Matteuci Gianfranco Pasquino
- Language: Portuguese
- Year: 2004