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.
芝加哥风格引文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.
MLA引文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.