Institute of Biology & Spedding, C. R. W. (1981). Vegetable productivity: The role of vegetables in feeding people and livestock. Macmillan.
Style de citation Chicago (17e éd.)Institute of Biology et C. R. W. Spedding. Vegetable Productivity: The Role of Vegetables in Feeding People and Livestock. London: Macmillan, 1981.
Style de citation MLA (9e éd.)Institute of Biology et C. R. W. Spedding. Vegetable Productivity: The Role of Vegetables in Feeding People and Livestock. Macmillan, 1981.
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