Motorists' comprehension of regulatory, warning, and symbol signs. Volume I: executive summary. Final report.

APA Citation

Knoblauch, R. L., Pietrucha, M. (1987). Motorists' comprehension of regulatory, warning, and symbol signs. Volume I: executive summary. Final report. .

MLA Citation

Knoblauch, Richard L, and Martin Pietrucha. Motorists' Comprehension of Regulatory, Warning, And Symbol Signs. Volume I: Executive Summary. Final Report. , 1987.

Warning: These citations may not always be complete (especially for serials).