Gaya APA

National Geographic Indonesia Vol. 21 No. 09 September 2026. (2026). Jakarta: Lilik Oetama.

Gaya MLA

National Geographic Indonesia Vol. 21 No. 09 September 2026. Vol. 21 No. 09 September 2026. Jakarta: Lilik Oetama, 2026. Majalah Populer.