Economic Policy: Principles and Design, Amsterdam, 1956 The Element of Space in Development Planning (together with L.B.M. Mennes and J.G. Waardenburg), Amsterdam, 1969 The Dynamics of Business Cycles: A Study in Economic Fluctuations.
Economic Policy: Principles and Design, Amsterdam, 1956 The Element of Space in Development Planning (társszerzők: L.B.M. Mennes és J.G. Waardenburg), Amsterdam, 1969 The Dynamics of Business Cycles: A Study in Economic Fluctuations.