Norman, J. H. (1892). Complete guide to the world's twenty-nine metal monetary systems: Also, to the foreign and colonial exchanges of gold, silver and inconvertible paper on the unit of weight system, with aids to the construction of the science of money. Low, Marston.
Chicago-referens (17:e uppl.)Norman, John Henry. Complete Guide to the World's Twenty-nine Metal Monetary Systems: Also, to the Foreign and Colonial Exchanges of Gold, Silver and Inconvertible Paper on the Unit of Weight System, with Aids to the Construction of the Science of Money. Lond.: Low, Marston, 1892.
MLA-referens (8:e uppl.)Norman, John Henry. Complete Guide to the World's Twenty-nine Metal Monetary Systems: Also, to the Foreign and Colonial Exchanges of Gold, Silver and Inconvertible Paper on the Unit of Weight System, with Aids to the Construction of the Science of Money. Low, Marston, 1892.