Hopkin, J. M. (1981). The ownership and use of cars by elderly people. Transport and Road Research Laboratory.
Chicago-Zitierstil (17. Ausg.)Hopkin, Jean M. The Ownership and Use of Cars by Elderly People. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.
MLA-Zitierstil (9. Ausg.)Hopkin, Jean M. The Ownership and Use of Cars by Elderly People. Transport and Road Research Laboratory, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.