Παραπομπή σε μορφή APA (7η εκδ.)

Anderson-Gold, S. (2001). Unnecessary evil: History and moral progress in the philosophy of Immanuel Kant. State University of New York Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Anderson-Gold, Sharon. Unnecessary Evil: History and Moral Progress in the Philosophy of Immanuel Kant. Albany, NY: State University of New York Press, 2001.

Παραπομπή σε μορφή MLA (8th εκδ.)

Anderson-Gold, Sharon. Unnecessary Evil: History and Moral Progress in the Philosophy of Immanuel Kant. State University of New York Press, 2001.