葛摩法郎2-7475-4843-0 Krause, Chester L.; Clifford Mishler. Standard Catalog of World Coins(英语:Standard Catalog of World Coins): 1801–1991 18th. Krause Publications. 1991
安哥拉埃斯库多Krause, Chester L.; Clifford Mishler. Standard Catalog of World Coins(英语:Standard Catalog of World Coins): 1801–1991 18th. Krause Publications. 1991
玻利维亚索尔real)以每雷亚尔兑换8索尔的比率取代。 Krause, Chester L.; Clifford Mishler. Standard Catalog of World Coins(英语:Standard Catalog of World Coins): 1801–1991 18th. Krause Publications. 1991
尼日利亚镑2017 Krause, Chester L.; Clifford Mishler. Standard Catalog of World Coins(英语:Standard Catalog of World Coins): 1801–1991 18th. Krause Publications. 1991
澳大利亞鎊Mishler(1991). Standard Catalog of World Coins: 1801–1991. Krause Publications. ISBN 0873411501. Pick, Albert. Standard Catalog of World Paper Money: General