Não informado. (1974). Engineering index energy abstracts. Engineering Index.
Lua i Stíl Chicago (17ú heag.)Não informado. Engineering Index Energy Abstracts. New York: Engineering Index, 1974.
Lua MLA (8ú heag.)Não informado. Engineering Index Energy Abstracts. Engineering Index, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.