APA Alıntı

Pfeiffer, E. Soil fetility: Renewal and preservation: Biodynamic farming and gardening.1.

Chicago Stili Alıntı

Pfeiffer, Ehrenfried. Soil Fetility: Renewal and Preservation: Biodynamic Farming and Gardening.1.

MLA Alıntı

Pfeiffer, Ehrenfried. Soil Fetility: Renewal and Preservation: Biodynamic Farming and Gardening.1.

Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..