Cita APA

IRRI. (1989). Rice farming systems new directions. Manila: IRRI.

Chicago Style Citation

IRRI. Rice Farming Systems New Directions. Manila: IRRI, 1989.

Cita MLA

IRRI. Rice Farming Systems New Directions. Manila: IRRI, 1989.

Atenció: Aquestes cites poden no estar 100% correctes.