1. Spielberg, F., Gordon, S., and Christie, M. (2018, March 25). Workbook for Estimating Demand for Rural Passenger Transportation. Transit Cooperative Research Program Report 3. Available online: http://onlinepubs.trb.org/onlinepubs/tcrp/tcrp_rpt_03-a.pdf.
2. Cost–Benefit Analysis of Rural and Small Urban Transit in the United States;Godavarthy;Transp. Res. Rec. J. Transp. Res. Board,2015
3. Job Access, Location Decision, and the Working Poor: A Qualitative Study in the Columbus, Ohio Metropolitan Area;Boschmann;Geoforum,2011
4. Rast, J. (2018, March 23). Transportation Equity and Access to Jobs in Metropolitan Milwaukee. Milwaukee, The University of Wisconsin-Milwaukee Center for Economic Development. Available online: http://www.uwm.edu/Dept/CED/publications.html.
5. St. Louis, R.M., Zanier, N., Molnar, L.J., and Eby, D.W. (2018, March 23). Transportation in Michigan: Older Adults and Caregivers, Available online: https://deepblue.lib.umich.edu/bitstream/handle/2027.42/90963/102858.pdf?sequence=1.