International Symposium on Hydrometallurgy Phoenix, Ariz, Society for Mining, Metallurgy, and Exploration (U.S.), ebrary, Inc, & Young, C. (2008). Hydrometallurgy 2008: Proceedings of the sixth international symposium, honoring Robert S. Shoemaker. Society for Mining, Metallurgy, and Exploration, Inc..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Symposium on Hydrometallurgy Phoenix, Ariz, Metallurgy Society for Mining, Inc ebrary, و Courtney Young. Hydrometallurgy 2008: Proceedings of the Sixth International Symposium, Honoring Robert S. Shoemaker. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, Inc., 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Symposium on Hydrometallurgy Phoenix, Ariz, et al. Hydrometallurgy 2008: Proceedings of the Sixth International Symposium, Honoring Robert S. Shoemaker. Society for Mining, Metallurgy, and Exploration, Inc., 2008.