Murphy, D. (2019). 77-727 Microsoft Excel Certification - MOS Excel Core Exam (1st edition.). Packt Publishing.
Cita Chicago Style (17a ed.)Murphy, Dave. 77-727 Microsoft Excel Certification - MOS Excel Core Exam. 1st edition. Packt Publishing, 2019.
Cita MLA (9a ed.)Murphy, Dave. 77-727 Microsoft Excel Certification - MOS Excel Core Exam. 1st edition. Packt Publishing, 2019.
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