Gaya APA
Sitorus, E.
(2005).
Utility Windows Password Recovery
(
Edisi 1)
.
Yogyakarta:
Penerbit Andi.
Gaya MLA
Sitorus, Eryanto.
"Utility Windows Password Recovery".
Edisi 1
Yogyakarta:
Penerbit Andi,
2005.
Komputer.