Shortreed, J. H. (1974). Urban bus transit: A planning guide. Waterloo: University of Waterloo. Department of Civil Enigneering. The Transport Group.
Παραπομπή Chicago StyleShortreed, J. H. Urban Bus Transit: A Planning Guide. Waterloo: University of Waterloo. Department of Civil Enigneering. The Transport Group, 1974.
Παραπομπή MLAShortreed, J. H. Urban Bus Transit: A Planning Guide. Waterloo: University of Waterloo. Department of Civil Enigneering. The Transport Group, 1974.
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