Gaya APA
P.W.Scott, ., C.M.Bristow, . (2002).
INDUSTRIAL MINERALS & EXTRACTIVE INDUSTRY GEOLOGI .
London:
The Geological Society.
Gaya MLA
P.W.Scott, ., C.M.Bristow, .
"INDUSTRIAL MINERALS & EXTRACTIVE INDUSTRY GEOLOGI".
London:
The Geological Society,
2002.
Textbook.