Gaya APA
Purwadi, .
(2005).
Ratu Adil Hidayat Nurwahid
.
Yogyakarta:
Hanan Pustaka.
Gaya MLA
Purwadi, .
"Ratu Adil Hidayat Nurwahid".
Yogyakarta:
Hanan Pustaka,
2005.
.