- Author: Petre Roman
- Language: English
- Year: 1977
- Author: Petre Roman
- Language: Romanian
- Year: 1994
- Author: Petre Roman
- Language: Romanian
- Year: 2017
- Author: Petre Roman
- Language: Romanian
- Year: 2019
- Author: Petre Roman
- Language: Romanian
- Year: 2019
- Author: Petre Roman
- Language: Romanian
- Year: 2017
- Author: Petre Roman
- Language: Romanian
- Year: 1994