Παραπομπή σε μορφή APA (7η εκδ.)

Guide to the Father Robert E. Hughes collection on apparitions and mystics, circa 1980-circa 2002 ML.042. The Marian Library/International Marian Research Institute.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Guide to the Father Robert E. Hughes Collection on Apparitions and Mystics, Circa 1980-circa 2002 ML.042. The Marian Library/International Marian Research Institute.

Παραπομπή σε μορφή MLA (8th εκδ.)

Guide to the Father Robert E. Hughes Collection on Apparitions and Mystics, Circa 1980-circa 2002 ML.042. The Marian Library/International Marian Research Institute.