APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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