Heady, E. O. (1961). Agricultural supply functions: Estimating techniques and interpretation. Assembled and published under the sponsorship of the North Central Farm Management Research Committee. Iowa State University Press.
Chicago-Zitierstil (17. Ausg.)Heady, Earl O. Agricultural Supply Functions: Estimating Techniques and Interpretation. Assembled and Published Under the Sponsorship of the North Central Farm Management Research Committee. Ames: Iowa State University Press, 1961.
MLA-Zitierstil (8. Ausg.)Heady, Earl O. Agricultural Supply Functions: Estimating Techniques and Interpretation. Assembled and Published Under the Sponsorship of the North Central Farm Management Research Committee. Iowa State University Press, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.