Schipper, B. J., & Lemond, M. (2003). ExamInsight for Microsoft Office specialist certification: Excel 2002 (XP) expert exam. TotalRecall Publications.
Lua i Stíl Chicago (17ú heag.)Schipper, B. J., agus Mary Lemond. ExamInsight for Microsoft Office Specialist Certification: Excel 2002 (XP) Expert Exam. Friendswood, TX: TotalRecall Publications, 2003.
Lua MLA (9ú heag.)Schipper, B. J., agus Mary Lemond. ExamInsight for Microsoft Office Specialist Certification: Excel 2002 (XP) Expert Exam. TotalRecall Publications, 2003.
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