Effectiveness of external bus speaker systems for persons with visual impairments /
prepared by Booz-Allen & Hamilton Inc.
APA Citation
Booz, A. & Hamilton., United States. Federal Transit Administration. Office of Research, D. (1998). Effectiveness of external bus speaker systems for persons with visual impairments. Washington, D.C.: Federal Transit Administration .
MLA Citation
Booz, Allen & Hamilton, and Demonstration United States. Federal Transit Administration. Office of Research. Effectiveness of External Bus Speaker Systems for Persons With Visual Impairments. Washington, D.C.: Federal Transit Administration , 1998.
Warning: These citations may not always be complete (especially for serials).