Não informado. (1982). Earth-oriented applications of space technology. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Earth-oriented Applications of Space Technology. Oxford, Inglaterra: Pergamon Press, 1982.
Lua MLA (8ú heag.)Não informado. Earth-oriented Applications of Space Technology. Pergamon Press, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.