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.
芝加哥风格引文Guzman, R.D, F. H. Gonzales, 与 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.
MLA引文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.
警告:这些引文格式不一定是100%准确.