Fisher, I. (1977). The theory of interest: As determined by impatience to spend income and opportunity to invest it (1. ed., reprinted.). Porcupine Press.
Chicago-Zitierstil (17. Ausg.)Fisher, Irving. The Theory of Interest: As Determined by Impatience to Spend Income and Opportunity to Invest It. 1. ed., reprinted. Philadelphia, Penn: Porcupine Press, 1977.
MLA-Zitierstil (9. Ausg.)Fisher, Irving. The Theory of Interest: As Determined by Impatience to Spend Income and Opportunity to Invest It. 1. ed., reprinted. Porcupine Press, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.