APA Style
W.FRONCKOWIAK, J., J.HELDA, D. (1999).
VISUAL BASIC 6 DATABASE PROGRAMING (edisi 1).
fostercity:
IDG books wordwide.
MLA Style
W.FRONCKOWIAK, JOHN., J.HELDA, DAVID.
"VISUAL BASIC 6 DATABASE PROGRAMING".
edisi 1
fostercity:
IDG books wordwide,
1999.
Buku.