Spear, R. J., & Spear, T. M. (1997). Introduction to computer programming in Visual Basic 6.0. Dryden Press.
Chicagoスタイル(17版)引用形式Spear, Robert J., , Timothy M. Spear. Introduction to Computer Programming in Visual Basic 6.0. Fort Worth: Dryden Press, 1997.
MLA(9版)引用形式Spear, Robert J., , Timothy M. Spear. Introduction to Computer Programming in Visual Basic 6.0. Dryden Press, 1997.
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