Hanf, C., & Schiefer, G. W. (1983). Planning and decision in agribusiness: Principles and experiences : a case study approach to the use of models in decision making. Elsevier Scientific Publishing Company.
Παραπομπή σε μορφή Chicago (17η εκδ.)Hanf, Claus-H, και Gerhard W. Schiefer. Planning and Decision in Agribusiness: Principles and Experiences : A Case Study Approach to the Use of Models in Decision Making. Amsterdam: Elsevier Scientific Publishing Company, 1983.
Παραπομπή σε μορφή MLA (8th εκδ.)Hanf, Claus-H, και Gerhard W. Schiefer. Planning and Decision in Agribusiness: Principles and Experiences : A Case Study Approach to the Use of Models in Decision Making. Elsevier Scientific Publishing Company, 1983.
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