Dyfyniad APA

Sheppard, D. (1982). The availability of books on driving. Transport and Road Research Laboratory.

Dyfyniad Arddull Chicago

Sheppard, D. The Availability of Books on Driving. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1982.

Dyfyniad MLA

Sheppard, D. The Availability of Books on Driving. Transport and Road Research Laboratory, 1982.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.