(1982). Solar energy. [s.l.]: Commission of the European Communities. Joint Research Centre.
Παραπομπή Chicago StyleSolar Energy. [s.l.]: Commission of the European Communities. Joint Research Centre, 1982.
Παραπομπή MLASolar Energy. [s.l.]: Commission of the European Communities. Joint Research Centre, 1982.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.