1. Auckland Transport. Public Transport Interchange Design Guidelines: Quality Assurance Statement. Auckland, New Zealand, 2013. https://at.govt.nz/media/1979931/public_transport_interchange_design_guidelines.pdf. Accessed February 5, 2019.
2. The Federal Transit Administration. A Handbook for Measuring Customer Satisfaction and Service Quality. Transit Cooperative Research Program Report 47. Transportation Research Board, Washington, D.C., 1999. http://onlinepubs.trb.org/onlinepubs/tcrp/tcrp_rpt_47-a.pdf. Accessed April 25, 2018.