APA-referens (7:e uppl.)
Wills, B. A. (2006). Mineral processing technology: An introduction to the practical aspects of ore treatment and mineral recovery (7th ed.). Butterworth-Heinemann.
Chicago-referens (17:e uppl.)
Wills, B. A. Mineral Processing Technology: An Introduction to the Practical Aspects of Ore Treatment and Mineral Recovery. 7th ed. Oxford ; Boston: Butterworth-Heinemann, 2006.
MLA-referens (9:e uppl.)
Wills, B. A. Mineral Processing Technology: An Introduction to the Practical Aspects of Ore Treatment and Mineral Recovery. 7th ed. Butterworth-Heinemann, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.