Jesuits. Praepositus Generalis (1946-1964 : Janssens), Janssens, J. B., & Curran, J. T. (1946). A letter of our Very Reverend Father John Baptist Janssens, General of the Society of Jesus, to the whole Society on fostering the interior life. Revista Catolica Press.
Chicago-viite (17. p.)Jesuits. Praepositus Generalis (1946-1964 : Janssens), Jan Baptist Janssens, ja John T. Curran. A Letter of Our Very Reverend Father John Baptist Janssens, General of the Society of Jesus, to the Whole Society on Fostering the Interior Life. [El Paso, Tex.: Revista Catolica Press, 1946.
MLA-viite (8. p.)Jesuits. Praepositus Generalis (1946-1964 : Janssens), et al. A Letter of Our Very Reverend Father John Baptist Janssens, General of the Society of Jesus, to the Whole Society on Fostering the Interior Life. Revista Catolica Press, 1946.