Catholic Church. (2000). The Trisagion. Tip. Cardoni.
Chicago Style aipamenaCatholic Church. The Trisagion. [Rome: Tip. Cardoni, 2000.
MLA aipamenaCatholic Church. The Trisagion. Tip. Cardoni, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.