Koppa, R. J., & Higgins, L. L. (1996). Bus route guidance information design: A manual for bus and light rail transit systems (2nd ed.). Southwest Region University Transportation Center, Texas Transportation Institute.
Chicago Style (17th ed.) CitationKoppa, Rodger J., and Laura L. Higgins. Bus Route Guidance Information Design: A Manual for Bus and Light Rail Transit Systems. 2nd ed. College Station: Southwest Region University Transportation Center, Texas Transportation Institute, 1996.
MLA (9th ed.) CitationKoppa, Rodger J., and Laura L. Higgins. Bus Route Guidance Information Design: A Manual for Bus and Light Rail Transit Systems. 2nd ed. Southwest Region University Transportation Center, Texas Transportation Institute, 1996.
Warning: These citations may not always be 100% accurate.