Hansen, J. (1969) “Hans Brems: Quantitative economic theory: A synthetic approach. New York: John Wiley & Sons, 1968. 514 pp. Pris $ 14,75”, Nationaløkonomisk Tidsskrift, 107. Tilgængelig hos: https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/61402 (Set: 5 december 2025).