Παραπομπή σε μορφή APA (7η εκδ.)

Catholic Church. Congregatio pro Doctrina Fidei. (1989). Letter to the bishops of the Catholic Church on some aspects of Christian meditation. St. Paul Books & Media.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Catholic Church. Congregatio pro Doctrina Fidei. Letter to the Bishops of the Catholic Church on Some Aspects of Christian Meditation. Boston: St. Paul Books & Media, 1989.

Παραπομπή σε μορφή MLA (8th εκδ.)

Catholic Church. Congregatio pro Doctrina Fidei. Letter to the Bishops of the Catholic Church on Some Aspects of Christian Meditation. St. Paul Books & Media, 1989.