Citation: U. Ricci, Marshall, L. C., Wright, C. W., Field, J. A. - Materials for the study of elmentary economics, Scientia rivista di scienza , 22, 1917, pp. 223-226
Citation: U. Ricci, Wicksell, K. - Vorlesungen ueber Nationaloekonomie auf Grundlage des Marginalprinzipes, Scientia rivista di scienza , 22, 1917, pp. 223-226