Citace podle APA (7th ed.)

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

Citace podle Chicago (17th ed.)

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

Citace podle MLA (9th ed.)

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

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