V. Birck, Laurits. “ALVIN S.JOHNSON. Rent in Modern Economic Theory. (Publications of the American Economic association). New York 1903. Macmillan. (136 S.)”. Nationaløkonomisk Tidsskrift 3 (januar 1, 1903). Set marts 23, 2026. https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/58421.