Zak, D. (1999). Programming with microsoft visual basic 6.0. Course Technology.
Chicagoスタイル(17版)引用形式Zak, Diane. Programming with Microsoft Visual Basic 6.0. Cambridge, Mass: Course Technology, 1999.
MLA(9版)引用形式Zak, Diane. Programming with Microsoft Visual Basic 6.0. Course Technology, 1999.
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