Leyland Vehicles, Ltd, Motor Industry Research Association, Transport and Road Research Laboratory, & Brooks, B. M. (1980). Passenger problems on moving buses. The Laboratory.
Lua i Stíl Chicago (17ú heag.)Leyland Vehicles, Ltd, Motor Industry Research Association, Transport and Road Research Laboratory, agus B. M. Brooks. Passenger Problems on Moving Buses. Crowthorne, Berk: The Laboratory, 1980.
Lua MLA (9ú heag.)Leyland Vehicles, Ltd, et al. Passenger Problems on Moving Buses. The Laboratory, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.