Não informado. (2012). IET Renewable Power Generation. Institution of Engineering and Technology.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. IET Renewable Power Generation. Stevenage, Inglaterra: Institution of Engineering and Technology, 2012.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. IET Renewable Power Generation. Institution of Engineering and Technology, 2012.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.