Happ, H. H. (1980). Piecewise methods and applications to power systems. New York: John Wiley & Sons.
Trích dẫn kiểu ChicagoHapp, H. H. Piecewise Methods and Applications to Power Systems. New York: John Wiley & Sons, 1980.
MLA CitationHapp, H. H. Piecewise Methods and Applications to Power Systems. New York: John Wiley & Sons, 1980.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.