Mortensen, Erik. 1950. “Readings on Agricultural Policy. Assembled Publised under the Sponsorship of the American Farm Economic Association. The Blakiston Company, Philadelphia, Toronto, 470 Sider. Pris: $ 3”. Nationaløkonomisk Tidsskrift 88 (januar). https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/60473.