APA ציטוט

Magdoff, F., & Weil, R. R. (2004). Soil organic matter in sustainable agriculture (1a. ed.). CRC.

Chicago Style (17th ed.) Citation

Magdoff, Fred, and Ray R. Weil. Soil Organic Matter in Sustainable Agriculture. 1a. ed. Danvers: CRC, 2004.

ציטוט MLA

Magdoff, Fred, and Ray R. Weil. Soil Organic Matter in Sustainable Agriculture. 1a. ed. CRC, 2004.