SMITH, C. B. (1980). Explorations Carl B. Smith; Ronald Wardhaugh. Macmillan.
Lua i Stíl Chicago (17ú heag.)SMITH, Carl B. Explorations Carl B. Smith; Ronald Wardhaugh. Macmillan, 1980.
Lua MLA (8ú heag.)SMITH, Carl B. Explorations Carl B. Smith; Ronald Wardhaugh. Macmillan, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.