Gaya APA
Hadi, S., S.Pd.I, .
(2008).
Ulumul Hadits
.
Yogyakarta:
Sabdamedia.
Gaya MLA
Hadi, Saeful., S.Pd.I, .
"Ulumul Hadits".
Yogyakarta:
Sabdamedia,
2008.
buku.