Riehl, H., & Rodríguez, R. M. (1977). Foreign exchange markets: A guide to foreign currency operations. McGraw-Hill.
Cita Chicago Style (17a ed.)Riehl, Heinz, y Rita M. Rodríguez. Foreign Exchange Markets: A Guide to Foreign Currency Operations. New York [etc.]: McGraw-Hill, 1977.
Cita MLA (9a ed.)Riehl, Heinz, y Rita M. Rodríguez. Foreign Exchange Markets: A Guide to Foreign Currency Operations. McGraw-Hill, 1977.
Precaución: Estas citas no son 100% exactas.