Pfeiffer, E. (1947). Soil fertility, renewal & preservation: Bio-dynamic farming and gardening. Faber and Faber.
Chicagoスタイル(17版)引用形式Pfeiffer, Ehrenfried. Soil Fertility, Renewal & Preservation: Bio-dynamic Farming and Gardening. London: Faber and Faber, 1947.
MLA(9版)引用形式Pfeiffer, Ehrenfried. Soil Fertility, Renewal & Preservation: Bio-dynamic Farming and Gardening. Faber and Faber, 1947.
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