Παραπομπή σε μορφή APA (7η εκδ.)

Thom, P. (1996). The logic of essentialism: An interpretation of Aristotle's modal syllogistic. Kluwer Academic Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Thom, Paul. The Logic of Essentialism: An Interpretation of Aristotle's Modal Syllogistic. Dordrecht ; : Boston: Kluwer Academic Publishers, 1996.

Παραπομπή σε μορφή MLA (9th εκδ.)

Thom, Paul. The Logic of Essentialism: An Interpretation of Aristotle's Modal Syllogistic. Kluwer Academic Publishers, 1996.