Não informado. (1979). International underwater systems design. U.S.D. Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. International Underwater Systems Design. London: U.S.D. Publications, 1979.
Lua MLA (8ú heag.)Não informado. International Underwater Systems Design. U.S.D. Publications, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.