Jilar, T. (1985). Large-scale solar heating technology: Ingelstad, a solar group heating plant without heat pumps. Swedish Council for Building Research.
Chicago-referens (17:e uppl.)Jilar, Torbjörn. Large-scale Solar Heating Technology: Ingelstad, a Solar Group Heating Plant Without Heat Pumps. Stockholm: Swedish Council for Building Research, 1985.
MLA-referens (8:e uppl.)Jilar, Torbjörn. Large-scale Solar Heating Technology: Ingelstad, a Solar Group Heating Plant Without Heat Pumps. Swedish Council for Building Research, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.