Shepherd, G. S., & Futrell, G. A. (1969). Marketing farm products; economic analysis (5th ed.). Iowa State University Press.
Chicagoスタイル(17版)引用形式Shepherd, Geoffrey Seddon, , Gene A. Futrell. Marketing Farm Products; Economic Analysis. 5th ed. Ames: Iowa State University Press, 1969.
MLA(9版)引用形式Shepherd, Geoffrey Seddon, , Gene A. Futrell. Marketing Farm Products; Economic Analysis. 5th ed. Iowa State University Press, 1969.
警告: この引用は必ずしも正確ではありません.