Jantsch, E. (1969). Perspectives of planning: Proceedings of the OECD Working Symposium on Long-Range Forecasting and Planning, Bellagio, Italy 27th October-2nd November 1968. Organisation for Economic Co-operation and Development.
Cytowanie według stylu Chicago (wyd. 17)Jantsch, Erich. Perspectives of Planning: Proceedings of the OECD Working Symposium on Long-Range Forecasting and Planning, Bellagio, Italy 27th October-2nd November 1968. Paris: Organisation for Economic Co-operation and Development, 1969.
Cytowanie według stylu MLA (wyd. 9)Jantsch, Erich. Perspectives of Planning: Proceedings of the OECD Working Symposium on Long-Range Forecasting and Planning, Bellagio, Italy 27th October-2nd November 1968. Organisation for Economic Co-operation and Development, 1969.
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