Não informado. (1968). Measurement and Control. Institute of Measurement and Control.
Lua i Stíl Chicago (17ú heag.)Não informado. Measurement and Control. London: Institute of Measurement and Control, 1968.
Lua MLA (8ú heag.)Não informado. Measurement and Control. Institute of Measurement and Control, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.