Não informado. (1964). Bulletin of Rural Economics and Sociology. University of Ibadan, Department of Agricultural Economics and Extension.
Style de citation Chicago (17e éd.)Não informado. Bulletin of Rural Economics and Sociology. Ibadan, Nigeria: University of Ibadan, Department of Agricultural Economics and Extension, 1964.
Style de citation MLA (8e éd.)Não informado. Bulletin of Rural Economics and Sociology. University of Ibadan, Department of Agricultural Economics and Extension, 1964.
Attention : ces citations peuvent ne pas être correctes à 100%.