Additional bibliography for study
A. J. Guerra, Romans and the Apologetic Tradition: The Purpose, Genre, and Audience of Paul’s Letter to the Romans, Cambridge University Press, 1995 και M. D. Jordan, “Ancient Philosophic Protreptic and the Problem of Persuasive Genres”, Rhetorica 4 (1986) 310-14, S.R. Slings, “Protreptic in Ancient Theories of Philosophical Literature”, στο J.G.J. Abbenes, S.R. Slings και I. Sluiter (επιμ.), Greek Literary Theory after Aristotle: A collection of papers in honour of D.M. Schenkveld, Amsterdam 1995, σελ. 173-192, S. van der Meeren, “Le protreptique en philosophie. Essai d’ un genre”, REG 115 (2002) 591-621.