Hand, B. A., Sherman, A. W., Cavanagh, M. E., Sherman, A. W., Jr, & Cavanagh, M. E. (1976). Traffic investigation and control. Columbus, Ohio: Merrill.
Παραπομπή Chicago StyleHand, Bruce A., Archible W. Sherman, Michael E. Cavanagh, Archible W. Sherman, Jr, and Michael E. Cavanagh. Traffic Investigation and Control. Columbus, Ohio: Merrill, 1976.
Παραπομπή MLAHand, Bruce A., et al. Traffic Investigation and Control. Columbus, Ohio: Merrill, 1976.
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