Hartgen, D. T. (1971). An empirical approach to estimating mode split in small urban areas. New York State Dept. of Transportation, Planning and Research Bureau.
Chicago-Zitierstil (17. Ausg.)Hartgen, David T. An Empirical Approach to Estimating Mode Split in Small Urban Areas. Albany: New York State Dept. of Transportation, Planning and Research Bureau, 1971.
MLA-Zitierstil (9. Ausg.)Hartgen, David T. An Empirical Approach to Estimating Mode Split in Small Urban Areas. New York State Dept. of Transportation, Planning and Research Bureau, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.