Cita APA (7th ed.)

(1968). Soil Dynamics in Tillage and Traction. ASABE.

Cita Chicago (17th ed.)

Soil Dynamics in Tillage and Traction. ASABE, 1968.

Cita MLA (8th ed.)

Soil Dynamics in Tillage and Traction. ASABE, 1968.

Atenció: Aquestes cites poden no estar 100% correctes.