Jackson, R. L. (1979). Luxury express commuter coach services. Transport and Road Research Laboratory.
Lua i Stíl Chicago (17ú heag.)Jackson, R. L. Luxury Express Commuter Coach Services. Crowthorne, [Eng.]: Transport and Road Research Laboratory, 1979.
Lua MLA (9ú heag.)Jackson, R. L. Luxury Express Commuter Coach Services. Transport and Road Research Laboratory, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.