APA Style
Riyanto, I., Beatrix, S.
(2015).
Muslim Muda Miliarder
(
2)
.
Jakarta:
Gramedia Pustaka Utama.
MLA Style
Riyanto, Ibnu., Beatrix, Sofie.
"Muslim Muda Miliarder".
2
Jakarta:
Gramedia Pustaka Utama,
2015.
Text.