Gaya APA
GINTING, A.
(2011).
Magazine Coal Asia Volume 7 May 25 - June 25, 2011
.
Jakarta:
Petromindo.
Gaya MLA
GINTING, ALexander.
"Magazine Coal Asia Volume 7 May 25 - June 25, 2011".
Jakarta:
Petromindo,
2011.
Text.