Gaya APA
Asal Mula Danau Toba. ().
Surabaya:
Cahaya Agency.
Gaya Chicago
Asal Mula Danau Toba.
.
Surabaya:
Cahaya Agency,
.
Dongeng.
Gaya MLA
Asal Mula Danau Toba.
.
Surabaya:
Cahaya Agency,
.
Dongeng.
Gaya Turabian
Asal Mula Danau Toba.
Surabaya:
Cahaya Agency,
.
Dongeng.