Gaya APA
dkk, D, K, K. (2012).
National Geographic Indonesia: Vol. 8 No. 9 September 2012 .
Jakarta:
Kompas Gramedia.
Gaya MLA
dkk, Didi, Kaspi, Kasim,.
"National Geographic Indonesia: Vol. 8 No. 9 September 2012".
Jakarta:
Kompas Gramedia,
2012.
Text.