International Monetary Fund. "." IMF eLibrary. IMF eLibrary. USA. 2005. Web. 19 Jun. 2013. <http://elibrary.imf.org/view/IMF073/05211-9781451950182/05211-9781451950182/ch01.xml>.

International Monetary Fund (2005). . In IMF eLibrary, Per Jacobsson Lecture #1. USA. Retrieved 19 Jun. 2013, from http://elibrary.imf.org/view/IMF073/05211-9781451950182/05211-9781451950182/ch01.xml

International Monetary Fund. "." In Per Jacobsson Lecture #1, IMF eLibrary. (USA, 2005). Retrieved 19 Jun. 2013, from http://elibrary.imf.org/view/IMF073/05211-9781451950182/05211-9781451950182/ch01.xml