Gaya APA
Susilo, T, A., kusumaningratri, R.
(2009).
Biografi Iwan Fals
.
Gorontalo:
A Plus Books.
Gaya MLA
Susilo, Taufik, Adi., kusumaningratri, Rose.
"Biografi Iwan Fals".
Gorontalo:
A Plus Books,
2009.
Text.