International Rice Research Institute. (1993). 1993-1995 IRRI rice almanac. International Rice Research Institute.
Cita Chicago (17th ed.)International Rice Research Institute. 1993-1995 IRRI Rice Almanac. Manila, Philippines: International Rice Research Institute, 1993.
Cita MLA (8th ed.)International Rice Research Institute. 1993-1995 IRRI Rice Almanac. International Rice Research Institute, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.