Gaya APA
Halvorson, M. (2000).
Microsoft Visual Basic 6.0 Professional : step by step .
Jakarta:
PT. Elex Media Komputindo.
Gaya MLA
Halvorson, Michael.
"Microsoft Visual Basic 6.0 Professional : step by step".
Jakarta:
PT. Elex Media Komputindo,
2000.
Teks.