1. Canadian Urban Transit Association (1994). Canadian Transit Handbook, Third Edition. Toronto.
2. Gardner, G., Cornwell, P. R. and Cracknell J. A. (1991). The Performance of Busway Transit in Developing Cities. Transport and Road Research Laboratory, Research Report 329, Crowthorne, Berkshire, U. K.
3. Guenthner, R. P. and Sinha, K. C. (1983). Modelling Bus Delays Due to Passenger Boarding and Alighting Transportation Research Record 915, Transportation Research Board, Washington D.C.