Erikson Fritz J. & Vonk John A. (1995). Microcomputer applications with Windows 3.1, Word 6.0 for Windows, Excel 5.0 for Windows, and Paradox 4.5 for Windows. Business and Educational Technologies.
Παραπομπή σε μορφή Chicago (17η εκδ.)Erikson Fritz J. και Vonk John A. Microcomputer Applications with Windows 3.1, Word 6.0 for Windows, Excel 5.0 for Windows, and Paradox 4.5 for Windows. Business and Educational Technologies, 1995.
Παραπομπή σε μορφή MLA (8th εκδ.)Erikson Fritz J. και Vonk John A. Microcomputer Applications with Windows 3.1, Word 6.0 for Windows, Excel 5.0 for Windows, and Paradox 4.5 for Windows. Business and Educational Technologies, 1995.
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