Annual financial report and consolidated financial statements 2022 [documento electrónico] / Malta Post, p.l.c.
Annual report of the communications regulation commission for 2021 [documento digital] : analysis of the postal services market 2021 / Communications Regulation Commission
Report on the state of the postal market in 2021 [documento electrónico] / Office of Electronic Communications
Relatório Integrado 2022 [documento eletrónico] : CTT entregar o futuro ligando pessoas e empresas de forma sustentável / Correios de Portugal