Não informado. (1979). Electrical Power and Energy Systems. IPC Science and Technology Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Electrical Power and Energy Systems. Guildford, Inglaterra: IPC Science and Technology Press, 1979.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Electrical Power and Energy Systems. IPC Science and Technology Press, 1979.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.