Jarrell, T. R. (1974). Bikeways: Design, construction, programs. National Recreation and Park Association.
Chicago-referens (17:e uppl.)Jarrell, Temple R. Bikeways: Design, Construction, Programs. Arlington, Va.: National Recreation and Park Association, 1974.
MLA-referens (8:e uppl.)Jarrell, Temple R. Bikeways: Design, Construction, Programs. National Recreation and Park Association, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.