APA aipamena

O'Keefe, T. L., & Tara Lynn O'Keefe; Elizabeth Eisner Reding; Barbara Clemens. (2000). Course Learning System: Microsoft Excel 2000 Illustrated INTERMEDIATE. Cambridge, MA: Course Technology.

Chicago Style aipamena

O'Keefe, Tara Lynn, và Tara Lynn O'Keefe; Elizabeth Eisner Reding; Barbara Clemens. Course Learning System: Microsoft Excel 2000 Illustrated INTERMEDIATE. Cambridge, MA: Course Technology, 2000.

MLA aipamena

O'Keefe, Tara Lynn, và Tara Lynn O'Keefe; Elizabeth Eisner Reding; Barbara Clemens. Course Learning System: Microsoft Excel 2000 Illustrated INTERMEDIATE. Cambridge, MA: Course Technology, 2000.