"The Economics, Law, and Public Policy of Market Power Manipulation", par S. Craig Pirrong aux Editions Springer Science & Business en 2012 [1]
"How To Make Profits Trading in Commodities: A Study Of The Commodity Market, With Charts And Rules For Successful Trading And Investing, par W. D. Gann, aux Editions Pickle Partners Publishing, 2016 [2]
"The International Tin Trade", par Peter Roddy, page 161 [3]
