Gaya APA
Kasim, D, K. (2014).
April 2014: National Geographic Indonesia .
Washington, D.C.:
National Geographic.
Gaya MLA
Kasim, Didi, Kaspi.
"April 2014: National Geographic Indonesia".
Washington, D.C.:
National Geographic,
2014.
GEN - Bacaan/Seri Non-Fiksi.