Dyfyniad APA

Perelman, C., & Olbrechts-Tyteca, L. (1971). The new rhetoric: A treatise on argumentation. University of Notre Dame.

Dyfyniad Arddull Chicago

Perelman, Chaïm, and Lucie Olbrechts-Tyteca. The New Rhetoric: A Treatise on Argumentation. Londres: University of Notre Dame, 1971.

Dyfyniad MLA

Perelman, Chaïm, and Lucie Olbrechts-Tyteca. The New Rhetoric: A Treatise on Argumentation. University of Notre Dame, 1971.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.