Mackie, A. M., & Davies, C. H. (1981). Environmental effects of traffic changes. Transport and Road Research Laboratory.
Chicago-viite (17. p.)Mackie, A. M., ja C. H. Davies. Environmental Effects of Traffic Changes. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.
MLA-viite (9. p.)Mackie, A. M., ja C. H. Davies. Environmental Effects of Traffic Changes. Transport and Road Research Laboratory, 1981.
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