APA aipamena

(2004). Soil organic matter in sustainable agriculture. Boca Raton: CRC Press.

Chicago Style aipamena

Soil Organic Matter in Sustainable Agriculture. Boca Raton: CRC Press, 2004.

MLA aipamena

Soil Organic Matter in Sustainable Agriculture. Boca Raton: CRC Press, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.