APA-ийн эшлэл(7 дахь хэвлэлт)

Cullen, C. M., & Harkins, F. T. (2019). The discovery of being & Thomas Aquinas. Catholic University of America Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Cullen, Christopher M., ба Franklin T. Harkins. The Discovery of Being & Thomas Aquinas. Washington, D.C.: Catholic University of America Press, 2019.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Cullen, Christopher M., ба Franklin T. Harkins. The Discovery of Being & Thomas Aquinas. Catholic University of America Press, 2019.