Παραπομπή σε μορφή APA (7η εκδ.)

Westphal, K. R. (1989). Hegel's epistemological realism: A study of the aim and method of Hegel's Phenomenology of Spirit. Kluwer Academic Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Westphal, Kenneth R. Hegel's Epistemological Realism: A Study of the Aim and Method of Hegel's Phenomenology of Spirit. Dordrecht: Kluwer Academic Publishers, 1989.

Παραπομπή σε μορφή MLA (8th εκδ.)

Westphal, Kenneth R. Hegel's Epistemological Realism: A Study of the Aim and Method of Hegel's Phenomenology of Spirit. Kluwer Academic Publishers, 1989.