Gaya APA

O'Leary, T, J., O'Leary, L, I. (2004). The o'Leary series : Microsoft office excel 2003 (Ed.Brief). Boston: McGraw Hill : technology Education.

Gaya MLA

O'Leary, Timothy, J.., O'Leary, Linda, I.. "The o'Leary series : Microsoft office excel 2003". Ed.Brief Boston: McGraw Hill : technology Education, 2004. Text.