APA Style
Suma, Muhammad Amin. (2009).
Sistem Digital (NULL).
:
.
Chicago Style
Suma, Muhammad Amin.
Sistem Digital.
NULL
:
,
2009.
Text.
MLA Style
Suma, Muhammad Amin.
Sistem Digital.
NULL
:
,
2009.
Text.
Turabian Style
Suma, Muhammad Amin.
Sistem Digital.
NULL
:
,
2009.
Print.