Barnet, S. (1987). Current issues and enduring questions: Methods and models of argument from to the present. A. Berdford.
Lua i Stíl Chicago (17ú heag.)Barnet, Sylvan. Current Issues and Enduring Questions: Methods and Models of Argument from to the Present. A. Berdford, 1987.
Lua MLA (9ú heag.)Barnet, Sylvan. Current Issues and Enduring Questions: Methods and Models of Argument from to the Present. A. Berdford, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.