APA-referens (7:e uppl.)
Eicker, U. (2014). Energy efficient buildings with solar and geothermal resources. John Wiley & Sons Inc..
Chicago-referens (17:e uppl.)
Eicker, Ursula. Energy Efficient Buildings with Solar and Geothermal Resources. Chichester, West Sussex, United Kingdom: John Wiley & Sons Inc., 2014.
MLA-referens (9:e uppl.)
Eicker, Ursula. Energy Efficient Buildings with Solar and Geothermal Resources. John Wiley & Sons Inc., 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.