Sills, C., & Jensen, G. H. (1992). The philosophy of discourse: The rhetorical turn in twentieth-century thought. Boynton/Cook Publishers.
Citazione stile Chigago Style (17a edizione)Sills, Chip, e George H. Jensen. The Philosophy of Discourse: The Rhetorical Turn in Twentieth-century Thought. Portsmouth, NH: Boynton/Cook Publishers, 1992.
Citatione MLA (9a ed.)Sills, Chip, e George H. Jensen. The Philosophy of Discourse: The Rhetorical Turn in Twentieth-century Thought. Boynton/Cook Publishers, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.