"सायकिल": अवतरणों में अंतर

* A range of [http://www.dft.gov.uk/pgr/roads/tpm/tal/cyclefacilities/ Traffic Advisory Leaflets] produced by the UK Department for Transport covering cycling.

* [http://www.OldRoads.com/ Menotomy Vintage Bicycles] – Databases of antique bicycle photos, features, price guide and research tools. Very large archives.

* [http://gotoes.org/bikestuff/index.htm The Bicycle - Worlds most efficient form of transportation] Discussion of the Bicycle and its advantages over motor vehicles

* [http://sheldonbrown.com/ Brown, Sheldon] (2005). Extensive Online [http://sheldonbrown.com/glossary.html Bicycle Glossary]