MACHLUP, F. The book value of monetary gold. PSL Quarterly Review, [S. l.], v. 24, n. 99, 2014. DOI: 10.13133/2037-3643/12875. Disponível em: https://rosa.uniroma1.it/rosa04/psl_quarterly_review/article/view/12875. Acesso em: 16 may. 2024.