The single income tax : final report of the 2020 Tax Commission / chairman, Allister Heath ; commissioners, Andrew Allum [and fifteen others] ; chief economist, David B. Smith ; principal editor, Matthew Sinclair ; lead researchers, Rory Meakin, John O'Connell ; other contributors, Eamonn Butler [and nine others]. - Heath, Allister; Sinclair, Matthew; O'Connell, John (The TaxPayers' Alliance, 2012)