Rendu, J. (2008). An introduction to cut-off grade estimation. Society for Mining, Metallurgy, and Exploration.
Lua i Stíl Chicago (17ú heag.)Rendu, J.-M. An Introduction to Cut-off Grade Estimation. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, 2008.
Lua MLA (9ú heag.)Rendu, J.-M. An Introduction to Cut-off Grade Estimation. Society for Mining, Metallurgy, and Exploration, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.