APA Style
Percetakan, G. (2020).
National Geographic Indonesia: NGIM200125 (NGIM200125).
Jakarta:
PT. Gramedia Percetakan.
MLA Style
Percetakan, Gramedia.
"National Geographic Indonesia: NGIM200125".
NGIM200125
Jakarta:
PT. Gramedia Percetakan,
2020.
Text.