Lotus 1-2-3 The Bussiness Software Integrating Spreadsheet, Graphics And Database Reference Manual Release 2.01. s.n.
Cita Chicago Style (17a ed.)Lotus 1-2-3 The Bussiness Software Integrating Spreadsheet, Graphics And Database Reference Manual Release 2.01. s.n.
Cita MLA (8a ed.)Lotus 1-2-3 The Bussiness Software Integrating Spreadsheet, Graphics And Database Reference Manual Release 2.01. s.n.
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