Gaya APA
WILLS, B.
(1989).
MINERAL PROCESSING TECHNOLOGY
(
FOURTH EDITION)
.
Singapore:
MAXWELL MACMILLAN INTERNASTONAL.
Gaya MLA
WILLS, B.A.
"MINERAL PROCESSING TECHNOLOGY".
FOURTH EDITION
Singapore:
MAXWELL MACMILLAN INTERNASTONAL,
1989.
Textbook.