Não informado. (1981). Soil and tillage research. Elsevier Scientific.
Style de citation Chicago (17e éd.)Não informado. Soil and Tillage Research. Amsterdam: Elsevier Scientific, 1981.
Style de citation MLA (8e éd.)Não informado. Soil and Tillage Research. Elsevier Scientific, 1981.
Attention : ces citations peuvent ne pas être correctes à 100%.