Busuttil, E. (. 1. (1949). Commentarium in Constitutionem apostolicam "Bis saecualri" diei 27 septembris 1948. Roma: Secretariatus Centralis Congregationum Marianarum.
Chicago Style CitationBusuttil, Emvin (S.I.) 1912-1969. Commentarium in Constitutionem Apostolicam "Bis Saecualri" Diei 27 Septembris 1948. Roma: Secretariatus Centralis Congregationum Marianarum, 1949.
MLA CitationBusuttil, Emvin (S.I.) 1912-1969. Commentarium in Constitutionem Apostolicam "Bis Saecualri" Diei 27 Septembris 1948. Roma: Secretariatus Centralis Congregationum Marianarum, 1949.
Warning: These citations may not always be 100% accurate.