Gaya APA
Visual Basic Programmer's Guide : Programming System For Windows. (1997).
Singapore:
Microsoft Corporation.
Gaya Chicago
Visual Basic Programmer's Guide : Programming System For Windows.
.
Singapore:
Microsoft Corporation,
1997.
.
Gaya MLA
Visual Basic Programmer's Guide : Programming System For Windows.
.
Singapore:
Microsoft Corporation,
1997.
.
Gaya Turabian
Visual Basic Programmer's Guide : Programming System For Windows.
Singapore:
Microsoft Corporation,
1997.
.