Gaya APA

Maulana, G., Abdullah, W. (). Seri Cerita Rakyat : Asal usul Danau Toba . Surabaya: Cahaya Agency.

Gaya MLA

Maulana, Gibran., Abdullah, Wachied. "Seri Cerita Rakyat : Asal usul Danau Toba". Surabaya: Cahaya Agency, . Text.