APA-referens (7:e uppl.)

Catholic Church. (2000). The Trisagion. Tip. Cardoni.

Chicago-referens (17:e uppl.)

Catholic Church. The Trisagion. [Rome: Tip. Cardoni, 2000.

MLA-referens (8:e uppl.)

Catholic Church. The Trisagion. Tip. Cardoni, 2000.