APA
Wynne G. G., . (1992). A study of bicycle and pedestrian programs in European countries. National bicycling and walking study. Washington DC: U.S. Department of Transportation.
Chicago
Wynne Georg G, . 1992. A study of bicycle and pedestrian programs in European countries. National bicycling and walking study. Washington DC: U.S. Department of Transportation.
Harvard
Wynne G. G., . (1992). A study of bicycle and pedestrian programs in European countries. National bicycling and walking study. Washington DC: U.S. Department of Transportation.
MLA
Wynne Georg G, . A study of bicycle and pedestrian programs in European countries. National bicycling and walking study. Washington DC: U.S. Department of Transportation. 1992.