Simm, B. A. (1950). Slide rule manual: A text book for use with standard types of slide rules. s.n..
Lua i Stíl Chicago (17ú heag.)Simm, B. A. Slide Rule Manual: A Text Book for Use with Standard Types of Slide Rules. [Melbourne?: s.n., 1950.
Lua MLA (8ú heag.)Simm, B. A. Slide Rule Manual: A Text Book for Use with Standard Types of Slide Rules. s.n., 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.