APA (7th ed.) Zitazioa
(1981). New and renewable energy sources: An outline on Danish research development, and ... Danish ministry of energy.
Chicago Style (17th ed.) Zitazioa
New and Renewable Energy Sources: An Outline on Danish Research Development, and ... Denmark: Danish ministry of energy, 1981.
MLA (9th ed.) Zitazioa
New and Renewable Energy Sources: An Outline on Danish Research Development, and ... Danish ministry of energy, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.