Shoemaker, R. S. (2002). The circulating load: Practical mineral processing plant design by an old-time ore dresser. Society for Mining, Metallurgy, and Exploration.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Shoemaker, Robert S. The Circulating Load: Practical Mineral Processing Plant Design by an Old-time Ore Dresser. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, 2002.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Shoemaker, Robert S. The Circulating Load: Practical Mineral Processing Plant Design by an Old-time Ore Dresser. Society for Mining, Metallurgy, and Exploration, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.