APA-viite (7. p.)

Symington, P. (2010). On determining what there is: The identity of ontological categories in Aquinas, Scotus and Lowe. Ontos Verlag.

Chicago-viite (17. p.)

Symington, Paul. On Determining What There Is: The Identity of Ontological Categories in Aquinas, Scotus and Lowe. Frankfurt: Ontos Verlag, 2010.

MLA-viite (9. p.)

Symington, Paul. On Determining What There Is: The Identity of Ontological Categories in Aquinas, Scotus and Lowe. Ontos Verlag, 2010.