Symington, P. (2010). On determining what there is: The identity of ontological categories in Aquinas, Scotus and Lowe. Ontos Verlag.
Chicago-referens (17:e uppl.)Symington, Paul. On Determining What There Is: The Identity of Ontological Categories in Aquinas, Scotus and Lowe. Frankfurt: Ontos Verlag, 2010.
MLA-referens (9:e uppl.)Symington, Paul. On Determining What There Is: The Identity of Ontological Categories in Aquinas, Scotus and Lowe. Ontos Verlag, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.