Não informado. (1980). History of Science in America. Forum for the History of Science in America.
Lua i Stíl Chicago (17ú heag.)Não informado. History of Science in America. Washington: Forum for the History of Science in America, 1980.
Lua MLA (8ú heag.)Não informado. History of Science in America. Forum for the History of Science in America, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.