Hirsch, F. (1973). An SDR standard: Impetus, elements, and impediments. International Finance Section, Princeton University.
Cita Chicago (17th ed.)Hirsch, Fred. An SDR Standard: Impetus, Elements, and Impediments. Princeton, N.J: International Finance Section, Princeton University, 1973.
Cita MLA (9th ed.)Hirsch, Fred. An SDR Standard: Impetus, Elements, and Impediments. International Finance Section, Princeton University, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.