APA
Slager D. S. A., . (2021). Essential Excel 2019: A Step-By-Step Guide, 2nd Edition (Special Edition). Chennai: Apress.
Chicago
Slager David Slager Annette, . 2021. Essential Excel 2019: A Step-By-Step Guide, 2nd Edition (Special Edition). Chennai: Apress.
Harvard
Slager D. S. A., . (2021). Essential Excel 2019: A Step-By-Step Guide, 2nd Edition (Special Edition). Chennai: Apress.
MLA
Slager David Slager Annette, . Essential Excel 2019: A Step-By-Step Guide, 2nd Edition (Special Edition). Chennai: Apress. 2021.