Jilar, T. (1985). Large-scale solar heating technology: Ingelstad, a solar group heating plant without heat pumps. Swedish Council for Building Research.
Παραπομπή σε μορφή Chicago (17η εκδ.)Jilar, Torbjörn. Large-scale Solar Heating Technology: Ingelstad, a Solar Group Heating Plant Without Heat Pumps. Stockholm: Swedish Council for Building Research, 1985.
Παραπομπή σε μορφή MLA (8th εκδ.)Jilar, Torbjörn. Large-scale Solar Heating Technology: Ingelstad, a Solar Group Heating Plant Without Heat Pumps. Swedish Council for Building Research, 1985.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.