- Author: Guillermo O’Donnell Philippe C. Schmitter Laurence Whitehead
- Language: English
- Year: 1986
- Author: Guillermo O’Donnell
- Language: English
- Year: 2010
- Author: Guillermo O’Donnell Philippe Schmitter
- Language: English
- Year: 1990
- Author: Guillermo O’Donnell Philippe C. Schmitter Laurence Whitehead
- Language: English
- Year: 1986