APA-viite (7. p.)
Heier, S. (2014). Grid integration of wind energy: Onshore and offshore conversion systems (Third edition.). Wiley.
Chicago-viite (17. p.)
Heier, Siegfried. Grid Integration of Wind Energy: Onshore and Offshore Conversion Systems. Third edition. Chichester, England: Wiley, 2014.
MLA-viite (9. p.)
Heier, Siegfried. Grid Integration of Wind Energy: Onshore and Offshore Conversion Systems. Third edition. Wiley, 2014.
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