Glover, M. H., & Shane, B. A. (1983). Results from axle weight surveys at Lichfield and Barham. Transport and Road Research Laboratory.
Lua i Stíl Chicago (17ú heag.)Glover, M. H., agus B. A. Shane. Results from Axle Weight Surveys at Lichfield and Barham. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1983.
Lua MLA (9ú heag.)Glover, M. H., agus B. A. Shane. Results from Axle Weight Surveys at Lichfield and Barham. Transport and Road Research Laboratory, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.