TWARDY, Jan. Daniel E. Harris, C.M., We Speak the Word of the Lord. A Practical Plan For More Effective Preaching. Śląskie Studia Historyczno-Teologiczne, [S. l.], v. 44, n. 1, p. 302 – 303, 2011. Disponível em: https://journals.us.edu.pl/index.php/ssht/article/view/16491. Acesso em: 5 grudz. 2025.