Petri. Aquinas and the Theology of the Body. The Catholic University of America Press.
Chicago-viite (17. p.)Petri. Aquinas and the Theology of the Body. The Catholic University of America Press.
MLA-viite (8. p.)Petri. Aquinas and the Theology of the Body. The Catholic University of America Press.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.