O'Brien, T. J. (2013). Introduction to foreign exchange rates (First edition.). Business Expert Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रO'Brien, Thomas J. Introduction to Foreign Exchange Rates. First edition. New York, New York (222 East 46th Street, New York, NY 10017): Business Expert Press, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रO'Brien, Thomas J. Introduction to Foreign Exchange Rates. First edition. Business Expert Press, 2013.
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