FRIEDMAN, M. (1981). The Invisible hand in economics and politics. ISEAS.
Chicago Style aipamenaFRIEDMAN, Milton. The Invisible Hand in Economics and Politics. Singapura: ISEAS, 1981.
MLA aipamenaFRIEDMAN, Milton. The Invisible Hand in Economics and Politics. ISEAS, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.