Gaya APA
Safala, U.
(2010).
Libas Shahrur
(
Cet. 1)
.
Ponorogo:
STAIN Ponorogo Press.
Gaya MLA
Safala, Udin.
"Libas Shahrur".
Cet. 1
Ponorogo:
STAIN Ponorogo Press,
2010.
Buku Tercetak.