Position bias within transportation opinion questions /
David T. Hartgen.
APA Citation
Hartgen, D. T., New York (State). Dept. of Transportation. Planning and Research Bureau. (1974). Position bias within transportation opinion questions. Albany: New York State Dept. of Transportation, Planning and Research Bureau.
MLA Citation
Hartgen, David T, and New York (State). Dept. of Transportation. Planning and Research Bureau. Position Bias Within Transportation Opinion Questions. Albany: New York State Dept. of Transportation, Planning and Research Bureau, 1974.
Warning: These citations may not always be complete (especially for serials).