APA-ийн эшлэл(7 дахь хэвлэлт)

Gregory, o. N., & Callahan, V. W. (1999). Ascetical works. Catholic University of America Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Gregory, of Nyssa, ба Virginia Woods Callahan. Ascetical Works. Washington, D.C.: Catholic University of America Press, 1999.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Gregory, of Nyssa, ба Virginia Woods Callahan. Ascetical Works. Catholic University of America Press, 1999.