APA Style
Quarterly report (Jan-March 1989. (1989).
Jakarta:
Antam – Unit Geologi.
Chicago Style
Quarterly report (Jan-March 1989.
.
Jakarta:
Antam – Unit Geologi,
1989.
Text.
MLA Style
Quarterly report (Jan-March 1989.
.
Jakarta:
Antam – Unit Geologi,
1989.
Text.
Turabian Style
Quarterly report (Jan-March 1989.
Jakarta:
Antam – Unit Geologi,
1989.
Print.