Gaya APA
Razaq, Abdul. (1995).
Visual Basic 6.0 .
Surabaya:
Indah.
Gaya Chicago
Razaq, Abdul.
Visual Basic 6.0.
Surabaya:
Indah,
1995.
Text.
Gaya MLA
Razaq, Abdul.
Visual Basic 6.0.
Surabaya:
Indah,
1995.
Text.
Gaya Turabian
Razaq, Abdul.
Visual Basic 6.0.
Surabaya:
Indah,
1995.
Print.