APA Style
Percetakan, G. (2020).
National Geographic Indonesia: NGIM200325 (NGIM200325).
Jakarta:
PT. Gramedia Percetakan.
MLA Style
Percetakan, Gramedia.
"National Geographic Indonesia: NGIM200325".
NGIM200325
Jakarta:
PT. Gramedia Percetakan,
2020.
Text.