Perry, G. (1998). sAMs Teach Yourself Visual Basic 6 in 21 Days. Techmedia.
Chicagoスタイル(17版)引用形式Perry, Greg. SAMs Teach Yourself Visual Basic 6 in 21 Days. USA: Techmedia, 1998.
MLA(9版)引用形式Perry, Greg. SAMs Teach Yourself Visual Basic 6 in 21 Days. Techmedia, 1998.
警告: この引用は必ずしも正確ではありません.