Dyfyniad APA
Ray, S. (2007). Electrical power systems concepts, theory and practice. PHI.
Dyfyniad Arddull Chicago
Ray, Subir. Electrical Power Systems Concepts, Theory and Practice. New Delhi: PHI, 2007.
Dyfyniad MLA
Ray, Subir. Electrical Power Systems Concepts, Theory and Practice. PHI, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.