Krämer, H. J., & Catan, J. R. (1990). Plato and the foundations of metaphysics: A work on the theory of the principles and unwritten doctrines of Plato with a collection of the fundamental documents. State University of New York Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Krämer, Hans Joachim, και John R. Catan. Plato and the Foundations of Metaphysics: A Work on the Theory of the Principles and Unwritten Doctrines of Plato with a Collection of the Fundamental Documents. Albany: State University of New York Press, 1990.
Παραπομπή σε μορφή MLA (8th εκδ.)Krämer, Hans Joachim, και John R. Catan. Plato and the Foundations of Metaphysics: A Work on the Theory of the Principles and Unwritten Doctrines of Plato with a Collection of the Fundamental Documents. State University of New York Press, 1990.
