Gaya APA
Utomo, B, B.
(2016).
E-book Warisan Bahari Indonesia
.
Jakarta:
Yayasan Pustaka Obor Indonesia.
Gaya MLA
Utomo, Bambang, Budi.
"E-book Warisan Bahari Indonesia".
Jakarta:
Yayasan Pustaka Obor Indonesia,
2016.
Electronic Resource.