Sheppard, D. (1982). The availability of books on driving. Transport and Road Research Laboratory.
Cita Chicago (17th ed.)Sheppard, D. The Availability of Books on Driving. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1982.
Cita MLA (9th ed.)Sheppard, D. The Availability of Books on Driving. Transport and Road Research Laboratory, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.