Guzman, R., Gonzales, F. H., & Lacy, K. H. (1973). Production and marketing of sorghum in North and South Cotabato. Marketing Research Unit, National Food and Agriculture Council, Dept. of Agriculture and Natural Resources.
Cita Chicago (17th ed.)Guzman, R.D, F. H. Gonzales, i K. H. Lacy. Production and Marketing of Sorghum in North and South Cotabato. Quezon City: Marketing Research Unit, National Food and Agriculture Council, Dept. of Agriculture and Natural Resources, 1973.
Cita MLA (9th ed.)Guzman, R.D, et al. Production and Marketing of Sorghum in North and South Cotabato. Marketing Research Unit, National Food and Agriculture Council, Dept. of Agriculture and Natural Resources, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.