Gaya APA
Trimanto, M.
(2011).
Kisah Danau Toba
(
Cet. I, 2011)
.
Jakarta:
Balai Pustaka.
Gaya MLA
Trimanto, Muhammad.
"Kisah Danau Toba".
Cet. I, 2011
Jakarta:
Balai Pustaka,
2011.
Electronic Book.