APA-referens (7:e uppl.)
(1981). New and renewable energy sources: An outline on Danish research development, and ... Danish ministry of energy.
Chicago-referens (17:e uppl.)
New and Renewable Energy Sources: An Outline on Danish Research Development, and ... Denmark: Danish ministry of energy, 1981.
MLA-referens (9:e uppl.)
New and Renewable Energy Sources: An Outline on Danish Research Development, and ... Danish ministry of energy, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.