Hoffmann, W. (2014). The economic competitiveness of renewable energy: Pathways to 100% global coverage. Scrivener Publishing/Wiley.. https://doi.org/10.1002/9781118939277
Παραπομπή σε μορφή Chicago (17η εκδ.)Hoffmann, Winfried. The Economic Competitiveness of Renewable Energy: Pathways to 100% Global Coverage. Hoboken, New Jersey: Scrivener Publishing/Wiley., 2014. https://doi.org/10.1002/9781118939277.
Παραπομπή σε μορφή MLA (8th εκδ.)Hoffmann, Winfried. The Economic Competitiveness of Renewable Energy: Pathways to 100% Global Coverage. Scrivener Publishing/Wiley., 2014. https://doi.org/10.1002/9781118939277.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.