Não informado. (1971). Bulletin of Economic Research. University of Hull, Department of Economics.
Style de citation Chicago (17e éd.)Não informado. Bulletin of Economic Research. Hull, Inglaterra: University of Hull, Department of Economics, 1971.
Style de citation MLA (8e éd.)Não informado. Bulletin of Economic Research. University of Hull, Department of Economics, 1971.
Attention : ces citations peuvent ne pas être correctes à 100%.