APA-viite (7. p.)
Schiappa, E. (2003). Protagoras and logos: A study in Greek philosophy and rhetoric (2nd ed.). University of South Carolina Press.
Chicago-viite (17. p.)
Schiappa, Edward. Protagoras and Logos: A Study in Greek Philosophy and Rhetoric. 2nd ed. Columbia, S.C.: University of South Carolina Press, 2003.
MLA-viite (9. p.)
Schiappa, Edward. Protagoras and Logos: A Study in Greek Philosophy and Rhetoric. 2nd ed. University of South Carolina Press, 2003.
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