Sheppard, D. (1982). The availability of books on driving. Transport and Road Research Laboratory.
Lua i Stíl Chicago (17ú heag.)Sheppard, D. The Availability of Books on Driving. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1982.
Lua MLA (9ú heag.)Sheppard, D. The Availability of Books on Driving. Transport and Road Research Laboratory, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.