Gaya APA
Programming Visual Basic 2008. (2008).
New York:
[s.n.].
Gaya Chicago
Programming Visual Basic 2008.
1 .
New York:
[s.n.],
2008.
Text.
Gaya MLA
Programming Visual Basic 2008.
1 .
New York:
[s.n.],
2008.
Text.
Gaya Turabian
Programming Visual Basic 2008.
New York:
[s.n.],
2008.
Print.