
- Author: Guinness World Records
- Language: English
- Year: 2017

- Author: Serge Guinchard Thierry Debard
- Language: French
- Year: 2017

- Author: John Riches
- Language: Portuguese
- Year: 2016

- Author: Kevin D. Haggerty Aaron Doyle
- Language: English
- Year: 2015

- Author: Organization for Economic Cooperation and Development
- Language: English
- Year: 2016

- Author: Keeanga-Yamahtta Taylor
- Language: English
- Year: 2016

- Author: Keeanga-Yamahtta Taylor
- Language: English
- Year: 2016

- Author: Renate Heuer
- Language: German
- Year: 2009