APA Style
Petruk, W. et al (1990).
Process mineralogy IX : applications to mineral beneficiation, metallurgy, gold, diamonds, ceramics, environmental and health .
Warrendale, Pa.:
TMS.
MLA Style
Petruk, William. et al.
"Process mineralogy IX : applications to mineral beneficiation, metallurgy, gold, diamonds, ceramics, environmental and health".
Warrendale, Pa.:
TMS,
1990.
Buku.