Kopits, E., & Cropper, M. (2005). Why have traffic fatalities declined in industrialized countries?: Implications for pedestrians and vehicle occupants. World Bank.
Cytowanie według stylu Chicago (wyd. 17)Kopits, Elizabeth, i Maureen Cropper. Why Have Traffic Fatalities Declined in Industrialized Countries?: Implications for Pedestrians and Vehicle Occupants. Washington, D.C: World Bank, 2005.
Cytowanie według stylu MLA (wyd. 9)Kopits, Elizabeth, i Maureen Cropper. Why Have Traffic Fatalities Declined in Industrialized Countries?: Implications for Pedestrians and Vehicle Occupants. World Bank, 2005.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..