Não informado. (1960). Fuel Abstracts and Current Titles. Institute of Fuel.
Lua i Stíl Chicago (17ú heag.)Não informado. Fuel Abstracts and Current Titles. London: Institute of Fuel, 1960.
Lua MLA (8ú heag.)Não informado. Fuel Abstracts and Current Titles. Institute of Fuel, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.