APA (7th ed.) Zitazioa

(1986). The role of organic matter in modern: Agriculture. Martinus Nijhoff.

Chicago Style (17th ed.) Zitazioa

The Role of Organic Matter in Modern: Agriculture. Dordrecht: Martinus Nijhoff, 1986.

MLA (9th ed.) Zitazioa

The Role of Organic Matter in Modern: Agriculture. Martinus Nijhoff, 1986.