Lua APA (7ú heag.)

FRYE, C. D. (2007). MICROSOFT OFFICE EXCEL 2007: STEP BY STEP (WITH CD). PHI.

Lua i Stíl Chicago (17ú heag.)

FRYE, C D. MICROSOFT OFFICE EXCEL 2007: STEP BY STEP (WITH CD). New Delhi: PHI, 2007.

Lua MLA (9ú heag.)

FRYE, C D. MICROSOFT OFFICE EXCEL 2007: STEP BY STEP (WITH CD). PHI, 2007.

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