Halsey, M., & Halsey, M. (2019). The IT Support Handbook: A How-To Guide to Providing Effective Help and Support to IT Users (1st ed. 2019.). Apress : Imprint: Apress. https://doi.org/10.1007/978-1-4842-5133-1
Παραπομπή σε μορφή Chicago (17η εκδ.)Halsey, Mike, και Mike Halsey. The IT Support Handbook: A How-To Guide to Providing Effective Help and Support to IT Users. 1st ed. 2019. Berkeley, CA: Apress : Imprint: Apress, 2019. https://doi.org/10.1007/978-1-4842-5133-1.
Παραπομπή σε μορφή MLA (8th εκδ.)Halsey, Mike, και Mike Halsey. The IT Support Handbook: A How-To Guide to Providing Effective Help and Support to IT Users. 1st ed. 2019. Apress : Imprint: Apress, 2019. https://doi.org/10.1007/978-1-4842-5133-1.
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