Zeuthen, F. (1955) “A Survey of Contemporary Economics, Volume 11, ed. Bernhard F. Haley, published for the American Economic Association. Richard D. Irwin, 1952. 474 s”., Nationaløkonomisk Tidsskrift, 93. Tilgængelig hos: https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/60710 (Set: 1 januar 2026).