Lua APA (7ú heag.)
(1981). New and renewable energy sources: An outline on Danish research development, and ... Danish ministry of energy.
Lua i Stíl Chicago (17ú heag.)
New and Renewable Energy Sources: An Outline on Danish Research Development, and ... Denmark: Danish ministry of energy, 1981.
Lua MLA (9ú heag.)
New and Renewable Energy Sources: An Outline on Danish Research Development, and ... Danish ministry of energy, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.