Gaya APA
Geographic, N. (2020).
National Geographic : Tiada Lagi Sampah [Majalah] (Maret 2020).
Jakarta:
National Geographic.
Gaya MLA
Geographic, National.
"National Geographic : Tiada Lagi Sampah [Majalah]".
Maret 2020
Jakarta:
National Geographic,
2020.
Majalah.