
- Author: Kathy Williams, Chantel Kees
- Language: English
- Year: 2006

- Author: Danesi Marcel
- Language: English
- Year: 2011

- Author: Taranov Andrey
- Language: Italian
- Year: 2015

- Author: Taranov Andrey
- Language: Italian
- Year: 2015

- Author: Gobetti Daniela
- Language: English
- Year: 2008

- Author: Gobetti Daniela
- Language: English
- Year: 2012

- Author: Gobetti Daniela
- Language: English
- Year: 2008

- Author: Gobetti Daniela
- Language: English
- Year: 2012

- Author: Collins Dictionaries
- Language: Italian
- Year: 2016

- Author: Collins Dictionaries
- Language: Italian
- Year: 2016