Thonssen, L. (1970). Speech criticism (2nd ed.). Robert E. Krieger Pub.
Lua i Stíl Chicago (17ú heag.)Thonssen, Lester. Speech Criticism. 2nd ed. Malabar, Fla: Robert E. Krieger Pub, 1970.
Lua MLA (9ú heag.)Thonssen, Lester. Speech Criticism. 2nd ed. Robert E. Krieger Pub, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.