APA Style
Percetakan, G. (2015).
National Geographic Indonesia (Sisipan National Geographic Indonesia Maret 2015) .
Jakarta:
Gramedia Percetakan.
MLA Style
Percetakan, Gramedia.
"National Geographic Indonesia (Sisipan National Geographic Indonesia Maret 2015)".
Jakarta:
Gramedia Percetakan,
2015.
Text.