Παραπομπή σε μορφή APA (7η εκδ.)

II), C. C. P. (. :. J. P. (1980). Letter of the Supreme Pontiff Pope John Paul II: On the Mystery and Worship of the Eucharist, February 24, 1980. Boston.

Παραπομπή σε μορφή Chicago (17η εκδ.)

II), Catholic Church. Pope (1978-2005 : John Paul. Letter of the Supreme Pontiff Pope John Paul II: On the Mystery and Worship of the Eucharist, February 24, 1980. Boston, 1980.

Παραπομπή σε μορφή MLA (8th εκδ.)

II), Catholic Church. Pope (1978-2005 : John Paul. Letter of the Supreme Pontiff Pope John Paul II: On the Mystery and Worship of the Eucharist, February 24, 1980. Boston, 1980.