Gaya APA
Visual Basic Programmer's Reference. (2012).
Amerika:
[s.n.].
Gaya Chicago
Visual Basic Programmer's Reference.
1.
Amerika:
[s.n.],
2012.
Text.
Gaya MLA
Visual Basic Programmer's Reference.
1.
Amerika:
[s.n.],
2012.
Text.
Gaya Turabian
Visual Basic Programmer's Reference.
Amerika:
[s.n.],
2012.
Print.