(2002). Good practices guide: For bicycle safety education / U.S. Department of Transportation, Federal Highway Administration.
Chicago Style (17th ed.) ZitazioaGood Practices Guide: For Bicycle Safety Education / U.S. Department of Transportation, Federal Highway Administration. 2002.
MLA (9th ed.) ZitazioaGood Practices Guide: For Bicycle Safety Education / U.S. Department of Transportation, Federal Highway Administration. 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.