Gaya APA

IKRANEGARA, Y. (2017). Asal Mula Danau Toba : The story of toba lake (1). : LINGKAR MEDIA.

Gaya MLA

IKRANEGARA, YUDHISTIRA. "Asal Mula Danau Toba : The story of toba lake". 1 : LINGKAR MEDIA, 2017. Text.