Gaya APA
Ikranegara, Y., Azzam, Z, E.
(2022).
Asal Mula Danau Toba
.
Surabaya:
Bintang Junior.
Gaya MLA
Ikranegara, Yudhistira., Azzam, Zulfadly, El.
"Asal Mula Danau Toba".
Surabaya:
Bintang Junior,
2022.
Text.