. (1984). "IV Volume and Pattern of World Trade". In Exchange Rate Volatility and World Trade. USA: International Monetary Fund. Retrieved May 11, 2023, from https://www.elibrary.imf.org/view/book/9781557750655/ch04.xml
. "IV Volume and Pattern of World Trade". Exchange Rate Volatility and World Trade. USA: International Monetary Fund, 1984. < https://doi.org/10.5089/9781557750655.084.ch004>. Web. 11 May. 2023.
. "IV Volume and Pattern of World Trade". In Exchange Rate Volatility and World Trade, (USA: International Monetary Fund, 1984) accessed May 11, 2023, https://doi.org/10.5089/9781557750655.084.ch004
(1984). IV Volume and Pattern of World Trade. In Exchange Rate Volatility and World Trade, USA: International Monetary Fund. available from: < https://doi.org/10.5089/9781557750655.084.ch004> [Accessed 11 May 2023]