1. CET: Coventry Evening Telegraph.
2. CS: Coventry Sentinel.
3. Booth, A. (2006). The Management of Technical Change Automation in the UK and USA Since 1950. Houndmills: Macmillan.
4. BPP (British Parliamentary Papers). (1971–1972). Select Committee on Race Relations and Immigration, Session 1971–72. Police/Immigrant Relations. Volume 3. Evidence, Documents and Index. London: House of Commons.
5. Broadberry, S., & Crafts, N. (2003). UK Productivity Performance from 1950 to 1979: A Restatement of the Broadberry-Crafts View. The Economic History Review, 56(4), 718–735.