Turnbull, K. F., Pratt, R. H., Evans, J. E. I., & Levinson, H. S. (2004). Traveler response to transportation system changes. Transportation Research Board.
Chicago-viite (17. p.)Turnbull, Katherine F., Richard H. Pratt, John E. IV Evans, ja Herbert S. Levinson. Traveler Response to Transportation System Changes. Washington, D.C: Transportation Research Board, 2004.
MLA-viite (9. p.)Turnbull, Katherine F., et al. Traveler Response to Transportation System Changes. Transportation Research Board, 2004.
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