Her Majesty's Stationery Office. (1968). Manual of police Driving instruction.
Lua i Stíl Chicago (17ú heag.)Her Majesty's Stationery Office. Manual of Police Driving Instruction. London, 1968.
Lua MLA (8ú heag.)Her Majesty's Stationery Office. Manual of Police Driving Instruction. 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.