Hopkin, J. M. (1981). The role of an understanding of social factors in forecasting car ownership. Transport and Road Research Laboratory.
Chicago-Zitierstil (17. Ausg.)Hopkin, Jean M. The Role of an Understanding of Social Factors in Forecasting Car Ownership. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.
MLA-Zitierstil (9. Ausg.)Hopkin, Jean M. The Role of an Understanding of Social Factors in Forecasting Car Ownership. Transport and Road Research Laboratory, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.