Não informado. (1969). Current Papers in Electrical and Electronics Engineering. Institution of Electrical Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Current Papers in Electrical and Electronics Engineering. London: Institution of Electrical Engineers, 1969.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Current Papers in Electrical and Electronics Engineering. Institution of Electrical Engineers, 1969.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.