Haberler, G. (1954). Currency convertibility. American Enterprise Association.
Chicago-viite (17. p.)Haberler, Gottfried. Currency Convertibility. New York: American Enterprise Association, 1954.
MLA-viite (8. p.)Haberler, Gottfried. Currency Convertibility. American Enterprise Association, 1954.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.