李雁翎 & 涂美彩. (2008). Visual Basic程序设计实践教程: Experiment instructions for Visual Basic programming language. 人民邮电出版社.
Dyfyniad Arddull Chicago李雁翎 and 涂美彩. Visual Basic程序设计实践教程: Experiment Instructions for Visual Basic Programming Language. 人民邮电出版社, 2008.
Dyfyniad MLA李雁翎 and 涂美彩. Visual Basic程序设计实践教程: Experiment Instructions for Visual Basic Programming Language. 人民邮电出版社, 2008.
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