Hopkin, J. M. (1981). The role of an understanding of social factors in forecasting car ownership. Transport and Road Research Laboratory.
Citação do estilo Chicago (17ª ed.)Hopkin, Jean M. The Role of an Understanding of Social Factors in Forecasting Car Ownership. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.
Citação MLA (9ª ed.)Hopkin, Jean M. The Role of an Understanding of Social Factors in Forecasting Car Ownership. Transport and Road Research Laboratory, 1981.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.