David, D., & Davidescu, V. (1982). Evaluation of fertility by plant and soil analysis. Abacus Press & Tunbridge Wells.
Style de citation Chicago (17e éd.)David, Davidescu, et Velicica Davidescu. Evaluation of Fertility by Plant and Soil Analysis. England: Abacus Press & Tunbridge Wells, 1982.
Style de citation MLA (9e éd.)David, Davidescu, et Velicica Davidescu. Evaluation of Fertility by Plant and Soil Analysis. Abacus Press & Tunbridge Wells, 1982.
Attention : ces citations peuvent ne pas être correctes à 100%.