Gaya APA

Wills, B, A., Napier-Munn, T, J. (2006). Wills' mineral processing technology: an introduction of the practical aspects of ore treatment and mineral recovery (7th ed.). USA: Butterworth-Heinemann.

Gaya MLA

Wills, B., A.., Napier-Munn, T., J.. "Wills' mineral processing technology: an introduction of the practical aspects of ore treatment and mineral recovery". 7th ed. USA: Butterworth-Heinemann, 2006. Text.