Redaktionen, -. “De JONG, Frits j.: Developments of Monetary Theory in the Netherlands. Publications of the Netherlands Institute of Bankers and Stockbrokers, 19. Rotterdam: Rotterdam”. Nationaløkonomisk tidsskrift 112 (January 1, 1974). Accessed December 5, 2025. https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/61888.