- Author: OECD Publishing
- Language: English
- Year: 2009
- Author: OECD Eurostat
- Language: English
- Year: 2018
- Author: OECD, Buggeln Marc, Daunton Martin J., Nützenadel Alexander, Steuer
- Language: English
- Year: 2018
- Author: OECD, Streeck Wolfgang, Schäfer Armin
- Language: English
- Year: 2013