Παραπομπή APA

Shepherd, G. S., & Futrell, G. A. (1969). Marketing farm products: Economic analysis (5th ed.). Ames: Iowa State University Press.

Παραπομπή Chicago Style

Shepherd, Geoffrey Seddon, and Gene A. Futrell. Marketing Farm Products: Economic Analysis. 5th ed. Ames: Iowa State University Press, 1969.

Παραπομπή MLA

Shepherd, Geoffrey Seddon, and Gene A. Futrell. Marketing Farm Products: Economic Analysis. 5th ed. Ames: Iowa State University Press, 1969.

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