List of sources used:
Title: Ratio Juris: Retributivist Justice
Type of source: Journal: Online Database
Author(s): Odudu Okeoghene
Year of publication: 2003
Title: Philosophical Quarterly: Comparative and Non-Comparative Justice
Type of source: Journal: Online Database
Author(s): Phillip Montague
Year of publication: 1980
Number of times saved: 1
Title: Journal of Criminal Law: Giving Content to the Principle of Proportionality: Happiness and Pain as the Universal Currency for Matching Offence Seriousness and Penalty Severity
Type of source: Journal: Online Database
Author(s): James McConvill, Mirko Bagaric
Year of publication: 2005
Title: Independent Review: Double Standards, Double Talk, and Multiple Troubles
Type of source: Journal: Online Database
Author(s): Philip Perlmutter
Year of publication: 2000