Jarrell, T. R. (1974). Bikeways: Design, construction, programs. National Recreation and Park Association.
Lua i Stíl Chicago (17ú heag.)Jarrell, Temple R. Bikeways: Design, Construction, Programs. Arlington, Va.: National Recreation and Park Association, 1974.
Lua MLA (8ú heag.)Jarrell, Temple R. Bikeways: Design, Construction, Programs. National Recreation and Park Association, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.