Não informado. (1930). Electronics: The international magazine of electronics technology. McGraw-Hill Publications.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Electronics: The International Magazine of Electronics Technology. New York: McGraw-Hill Publications, 1930.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Electronics: The International Magazine of Electronics Technology. McGraw-Hill Publications, 1930.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.