RIEHL, H. (1977). Foreign Exchange Market A Guide To Foreign Currency Oparations Heinz Riehl And Rita M. Rodriguez. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)RIEHL, Heinz. Foreign Exchange Market A Guide To Foreign Currency Oparations Heinz Riehl And Rita M. Rodriguez. McGraw-Hill, 1977.
Lua MLA (8ú heag.)RIEHL, Heinz. Foreign Exchange Market A Guide To Foreign Currency Oparations Heinz Riehl And Rita M. Rodriguez. McGraw-Hill, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.