Formella, Zbigniew. 2025. „Catholic Youth Ministry in the United States Today: Paths of Renewal through Dialogue and Engagement With Protestant Models (La Pastorale Giovanile Cattolica Negli Stati Uniti Oggi. Verso Il Suo Rinnovamento a Confronto E in Dialogo Con I Modelli protestanti), Ed. Paweł Wątor, LAS, Roma 2025, ISBN: 978-88-213-1639-5”. Seminare. Poszukiwania Naukowe 46 (2). https://doi.org/10.21852/sem.1881.