Kraay, J. H., & van der Horst, A. (1985). The trautenfels study. Institute for Road Safety Research SWOV, The Netherlands.
Chicago Style (17. basım) AtıfKraay, J. H., ve A.R.A van der Horst. The Trautenfels Study. Leidschendam: Institute for Road Safety Research SWOV, The Netherlands, 1985.
MLA (9th ed.) AtıfKraay, J. H., ve A.R.A van der Horst. The Trautenfels Study. Institute for Road Safety Research SWOV, The Netherlands, 1985.
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