Gaya APA
Ikranegara, Y.
(2022).
Asal Mula Danau Toba : The story of Toba lake
(
Cet. 1)
.
Surabaya:
Serba Jaya.
Gaya MLA
Ikranegara, Yudhistira.
"Asal Mula Danau Toba : The story of Toba lake".
Cet. 1
Surabaya:
Serba Jaya,
2022.
Text.