Lua APA (7ú heag.)

McFedries. Formulas & Functions MS Office Excel 07. Pearson India.

Lua i Stíl Chicago (17ú heag.)

McFedries. Formulas & Functions MS Office Excel 07. Pearson India.

Lua MLA (8ú heag.)

McFedries. Formulas & Functions MS Office Excel 07. Pearson India.

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