Gaya APA
Craig, J, R., Vaughan, D, J.
(1981).
Ore Microscopy and Ore Petrography
(
1)
.
USA:
Willey.
Gaya MLA
Craig, James, R.., Vaughan, David, J..
"Ore Microscopy and Ore Petrography".
1
USA:
Willey,
1981.
Textbook.