Pedersen, J. (1928) “CARL SNYDER: Business Cycles and Business Measurement. Macmillan Company, New York 1927, 326 S”., Nationaløkonomisk Tidsskrift, 36. Tilgængelig hos: https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/57221 (Set: 5 december 2025).