SpringerLink (Online service) & Krüssel, P. (2019). Future Telco: Successful Positioning of Network Operators in the Digital Age (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-77724-5
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service) και Peter Krüssel. Future Telco: Successful Positioning of Network Operators in the Digital Age. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-319-77724-5.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service) και Peter Krüssel. Future Telco: Successful Positioning of Network Operators in the Digital Age. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-319-77724-5.
