Não informado. (1960). Analyzer. Beckman Instruments, Scientific and Progress Instruments Division.
Lua i Stíl Chicago (17ú heag.)Não informado. Analyzer. Fullerton, Calif: Beckman Instruments, Scientific and Progress Instruments Division, 1960.
Lua MLA (8ú heag.)Não informado. Analyzer. Beckman Instruments, Scientific and Progress Instruments Division, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.