Gaya APA

Chip), D, K, K, (, I. (2013). National Geographic Indonesia; Memburu Mamut; April 2013 (April 2013). Jakarta: National Geographic Society.

Gaya MLA

Chip), Didi, Kaspi, Kasim, (Editor, In. "National Geographic Indonesia; Memburu Mamut; April 2013". April 2013 Jakarta: National Geographic Society, 2013. Jurnal.