Lemke, J. (2007). Microsoft office Visio 2007 step by step. Redmond, Wash: Microsoft Press.
Trích dẫn kiểu ChicagoLemke, Judy. Microsoft Office Visio 2007 Step By Step. Redmond, Wash: Microsoft Press, 2007.
Deismireacht MLALemke, Judy. Microsoft Office Visio 2007 Step By Step. Redmond, Wash: Microsoft Press, 2007.
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