United States Tariff Commission. (1920). Incandescent gas-mantle industry, its raw materials and by-products: Monazite sand, thorium and cerium nitrates, pyrophoric alloys, mesothorium. GPO.
Chicago Style (17th ed.) CitationUnited States Tariff Commission. Incandescent Gas-mantle Industry, Its Raw Materials and By-products: Monazite Sand, Thorium and Cerium Nitrates, Pyrophoric Alloys, Mesothorium. [Washington]: GPO, 1920.
MLA (9th ed.) CitationUnited States Tariff Commission. Incandescent Gas-mantle Industry, Its Raw Materials and By-products: Monazite Sand, Thorium and Cerium Nitrates, Pyrophoric Alloys, Mesothorium. GPO, 1920.
Warning: These citations may not always be 100% accurate.