Gaya APA
Kasim, D, K. (2015).
National Geographic Indonesia: November 2015 (Perubahan Iklim) .
Jakarta:
National Geographic Society.
Gaya MLA
Kasim, Didi, Kasipi.
"National Geographic Indonesia: November 2015 (Perubahan Iklim)".
Jakarta:
National Geographic Society,
2015.
Text.