- Author: Robert Leonardi
- Language: English
- Year: 2017
- Author: Robert Leonardi (auth.)
- Language: English
- Year: 2005
- Author: Francesco Boccia Robert Leonardi (eds.)
- Language: English
- Year: 2016
- Author: Michael A. Pagano Robert Leonardi (eds.)
- Language: English
- Year: 2007
- Author: Robert Leonardi (auth.)
- Language: English
- Year: 1995
- Author: Robert Leonardi Douglas A. Wertman (auth.)
- Language: English
- Year: 1989
- Author: Robert Leonardi (auth.)
- Language: English
- Year: 2005
- Author: Robert Leonardi
- Language: English
- Year: 1995
- Author: Robert D. Putnam Robert Leonardi Rafaella Y. Nanetti
- Language: Romanian
- Year: 2001
- Author: Robert D. Putnam with Robert Leonardi and Raffaella Y. Nanetti.
- Language: English
- Year: 1994