Gaya APA

Hartshorne, C. (1962). The logic of perfection, and other essays in neoclassical metaphysics. . La Salle: La Salle Open Court Publishing Company.

Gaya MLA

Hartshorne, Charles. "The logic of perfection, and other essays in neoclassical metaphysics. ". La Salle: La Salle Open Court Publishing Company, 1962. Buku.