Urumpackal, A. P. (1977). The juridical status of the Catholicos of Malabar. Pontificium Institutum Orientalium Studiorum.
Chicago Style aipamenaUrumpackal, Alex Paul. The Juridical Status of the Catholicos of Malabar. Rome: Pontificium Institutum Orientalium Studiorum, 1977.
MLA aipamenaUrumpackal, Alex Paul. The Juridical Status of the Catholicos of Malabar. Pontificium Institutum Orientalium Studiorum, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.