Hargreaves, D., & Fromson, S. (1983). World index of strategic minerals: Production, exploitation and risk. Gower.
Chicago Style (17th ed.) CitationHargreaves, David, and S. Fromson. World Index of Strategic Minerals: Production, Exploitation and Risk. Aldershot: Gower, 1983.
MLA (9th ed.) CitationHargreaves, David, and S. Fromson. World Index of Strategic Minerals: Production, Exploitation and Risk. Gower, 1983.
Warning: These citations may not always be 100% accurate.