Gaya APA
Suhala, S. (1997).
Indonesian Mining Journal Vol 3 Number 2 June 1997 .
Bandung:
Mineral Technology Research and Development Centre.
Gaya MLA
Suhala, Supriatna.
"Indonesian Mining Journal Vol 3 Number 2 June 1997".
Bandung:
Mineral Technology Research and Development Centre,
1997.
Text.