APA aipamena

Heady, E. O. Economic models and quantitative methods for decisions and planning in Agriculture.

Chicago Style aipamena

Heady, E O. Economic Models and Quantitative Methods for Decisions and Planning in Agriculture.

MLA aipamena

Heady, E O. Economic Models and Quantitative Methods for Decisions and Planning in Agriculture.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.