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Lua i Stíl Chicago (17ú heag.)International Association for Hydrogen Energy. International Journal of Hydrogen Energy. Oxford, Inglaterra: Pergamon Press, 1976.
Lua MLA (8ú heag.)International Association for Hydrogen Energy. International Journal of Hydrogen Energy. Pergamon Press, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.