Παραπομπή σε μορφή APA (7η εκδ.)

Harpham, B., & Harpham, B. (2018). Project Managers at Work (1st ed. 2018.). Apress : Imprint: Apress. https://doi.org/10.1007/978-1-4842-2668-1

Παραπομπή σε μορφή Chicago (17η εκδ.)

Harpham, Bruce, και Bruce Harpham. Project Managers at Work. 1st ed. 2018. Berkeley, CA: Apress : Imprint: Apress, 2018. https://doi.org/10.1007/978-1-4842-2668-1.

Παραπομπή σε μορφή MLA (8th εκδ.)

Harpham, Bruce, και Bruce Harpham. Project Managers at Work. 1st ed. 2018. Apress : Imprint: Apress, 2018. https://doi.org/10.1007/978-1-4842-2668-1.