APA-ийн эшлэл(7 дахь хэвлэлт)

Ingham, M. B., & Dreyer, M. (2004). The philosophical vision of John Duns Scotus: An introduction. Catholic University of America Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Ingham, Mary Beth, ба Mechthild Dreyer. The Philosophical Vision of John Duns Scotus: An Introduction. Washington, D.C.: Catholic University of America Press, 2004.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Ingham, Mary Beth, ба Mechthild Dreyer. The Philosophical Vision of John Duns Scotus: An Introduction. Catholic University of America Press, 2004.