Lua APA (7ú heag.)
O'Brien, T. J. (2013). Introduction to foreign exchange rates (First edition.). Business Expert Press.
Lua i Stíl Chicago (17ú heag.)
O'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.
Lua MLA (9ú heag.)
O'Brien, Thomas J. Introduction to Foreign Exchange Rates. First edition. Business Expert Press, 2013.
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