Jappy, T. (2016). Peirce's Twenty-Eight Classes of Signs and the Philosophy of Representation: Rhetoric, Interpretation and Hexadic Semiosis. Bloomsbury Academic.
Chicago-viite (17. p.)Jappy, Tony. Peirce's Twenty-Eight Classes of Signs and the Philosophy of Representation: Rhetoric, Interpretation and Hexadic Semiosis. London: Bloomsbury Academic, 2016.
MLA-viite (9. p.)Jappy, Tony. Peirce's Twenty-Eight Classes of Signs and the Philosophy of Representation: Rhetoric, Interpretation and Hexadic Semiosis. Bloomsbury Academic, 2016.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.