APA Style
National Geographic Indonesia, April 2014 (Mungkihkah batu bara bersih?). (2014).
Jakarta:
National Geographic Society.
Chicago Style
National Geographic Indonesia, April 2014 (Mungkihkah batu bara bersih?).
.
Jakarta:
National Geographic Society,
2014.
Magazine.
MLA Style
National Geographic Indonesia, April 2014 (Mungkihkah batu bara bersih?).
.
Jakarta:
National Geographic Society,
2014.
Magazine.
Turabian Style
National Geographic Indonesia, April 2014 (Mungkihkah batu bara bersih?).
Jakarta:
National Geographic Society,
2014.
Magazine.