Böhm-Bawerk, Eugen von. “Value, Cost, and Marginal Utility - Part III”. MISES: Interdisciplinary Journal of Philosophy, Law and Economics 4, no. 1 (June 1, 2016): 71–82. Accessed February 28, 2024. https://www.misesjournal.org.br/misesjournal/article/view/821.