Não informado. (2004). Oxford Agrarian Studies. University of Oxford, Institute of Agricultural Economics.
Style de citation Chicago (17e éd.)Não informado. Oxford Agrarian Studies. Oxford, Inglaterra: University of Oxford, Institute of Agricultural Economics, 2004.
Style de citation MLA (8e éd.)Não informado. Oxford Agrarian Studies. University of Oxford, Institute of Agricultural Economics, 2004.
Attention : ces citations peuvent ne pas être correctes à 100%.