Rickard, T. A., & Ralston, O. C. (1917). Flotation. Mining and Scientific Press.
Lua i Stíl Chicago (17ú heag.)Rickard, T. A., agus Oliver C. Ralston. Flotation. San Francisco: Mining and Scientific Press, 1917.
Lua MLA (8ú heag.)Rickard, T. A., agus Oliver C. Ralston. Flotation. Mining and Scientific Press, 1917.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.