National Research Council (U.S.). Transportation Research Board. Committee on Bicycling and Bicycle Facilities. (1988). Bicycling and bicycle facilities research problems statements. Transportation Research Board, National Research Council.
Citazione stile Chigago Style (17a edizione)National Research Council (U.S.). Transportation Research Board. Committee on Bicycling and Bicycle Facilities. Bicycling and Bicycle Facilities Research Problems Statements. Washington, D.C: Transportation Research Board, National Research Council, 1988.
Citatione MLA (9a ed.)National Research Council (U.S.). Transportation Research Board. Committee on Bicycling and Bicycle Facilities. Bicycling and Bicycle Facilities Research Problems Statements. Transportation Research Board, National Research Council, 1988.