Citáce podľa APA (7th ed.)
Ortner, K. M. (1983). Forecasts for Austrian agriculture to the year 2000: <the> food and agriculture model for Austria. International Institute for Applied Systems Analysis.
Citácia podle Chicago (17th ed.)
Ortner, Karl Michael. Forecasts for Austrian Agriculture to the Year 2000: <the> Food and Agriculture Model for Austria. Laxenburg: International Institute for Applied Systems Analysis, 1983.
Citácia podľa MLA (8th ed.)
Ortner, Karl Michael. Forecasts for Austrian Agriculture to the Year 2000: <the> Food and Agriculture Model for Austria. International Institute for Applied Systems Analysis, 1983.
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