Bonoan, R. J. (1994). The Rizal-Pastells correspondence: The hitherto unpublished letters of Jose Rizal and portions of Fr. Pablo Pastell's fourth letter and translation of the correspondence, together with a historical background and theological critique. ADMU Press.
Chicago-referens (17:e uppl.)Bonoan, Raul J. The Rizal-Pastells Correspondence: The Hitherto Unpublished Letters of Jose Rizal and Portions of Fr. Pablo Pastell's Fourth Letter and Translation of the Correspondence, Together with a Historical Background and Theological Critique. Quezon City: ADMU Press, 1994.
MLA-referens (9:e uppl.)Bonoan, Raul J. The Rizal-Pastells Correspondence: The Hitherto Unpublished Letters of Jose Rizal and Portions of Fr. Pablo Pastell's Fourth Letter and Translation of the Correspondence, Together with a Historical Background and Theological Critique. ADMU Press, 1994.