O Leary, T. J., & O Leary, L. I. (2002). Microsoft powerpoint 2002. McGraw - Hill.

O Leary, Timothy J., and Linda I. O Leary. Microsoft Powerpoint 2002. Boston: McGraw - Hill, 2002.

O Leary, Timothy J., and Linda I. O Leary. Microsoft Powerpoint 2002. McGraw - Hill, 2002.