Riehl, H., & Rodriguez, R. M. (1977). Foreign exchange markets: A guide to foreign currency operations. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Riehl, Heinz, agus Rita M. Rodriguez. Foreign Exchange Markets: A Guide to Foreign Currency Operations. New York: McGraw-Hill, 1977.
Lua MLA (9ú heag.)Riehl, Heinz, agus Rita M. Rodriguez. Foreign Exchange Markets: A Guide to Foreign Currency Operations. McGraw-Hill, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.