Ooststroom, H. v., & Maddison, A. (1984). An international comparison of levels of real output and productivity in agriculture in 1975. Institute of Economic Research, Faculty of Economics, University of Groningen.
Citace podle Chicago (17th ed.)Ooststroom, Harry van, a Angus Maddison. An International Comparison of Levels of Real Output and Productivity in Agriculture in 1975. Groningen: Institute of Economic Research, Faculty of Economics, University of Groningen, 1984.
Citace podle MLA (8th ed.)Ooststroom, Harry van, a Angus Maddison. An International Comparison of Levels of Real Output and Productivity in Agriculture in 1975. Institute of Economic Research, Faculty of Economics, University of Groningen, 1984.
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