APA-referens (7:e uppl.)
Hellstern, C. (2010). A life cycle approach to buildings: Principles, calculations, design tools (First edition.). Institut für internationale.
Chicago-referens (17:e uppl.)
Hellstern, Cornelia. A Life Cycle Approach to Buildings: Principles, Calculations, Design Tools. First edition. Munich, [Germany]: Institut für internationale, 2010.
MLA-referens (9:e uppl.)
Hellstern, Cornelia. A Life Cycle Approach to Buildings: Principles, Calculations, Design Tools. First edition. Institut für internationale, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.