Gaya APA

Parvati, J, R. ([s.e]). Asal Mula Danau Toba . Surabaya: Sandro Jaya.

Gaya MLA

Parvati, Jihan, Rahmah. "Asal Mula Danau Toba". Surabaya: Sandro Jaya, [s.e]. novel.