Gaya APA
Ikranegara, Y.
(2017).
Asal Mula Danau Toba / The Story of Toba Lake
.
Karanganyar:
Lingkar Media.
Gaya MLA
Ikranegara, Yudhistira.
"Asal Mula Danau Toba / The Story of Toba Lake".
Karanganyar:
Lingkar Media,
2017.
Text.