Παραπομπή APA

Heady, E. O. (1971). Economic models and quantitative methods for decisions and planning in agriculture: Proceedings of an East-West seminar. Ames, IA: Iowa State University Press.

Παραπομπή Chicago Style

Heady, Earl O. Economic Models and Quantitative Methods for Decisions and Planning in Agriculture: Proceedings of an East-West Seminar. Ames, IA: Iowa State University Press, 1971.

Παραπομπή MLA

Heady, Earl O. Economic Models and Quantitative Methods for Decisions and Planning in Agriculture: Proceedings of an East-West Seminar. Ames, IA: Iowa State University Press, 1971.

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