MLA

Basisboek Excel 2019,2016 En Office 365. [Uithoorn]: Visual Steps, 2019.

APA

(2019). Basisboek Excel 2019,2016 en Office 365. [Uithoorn]: Visual Steps.

Chicago

Basisboek Excel 2019,2016 En Office 365. [Uithoorn]: Visual Steps, 2019.