Não informado. (1990). European Transactions on Telecommunications and Related Technologies. Associazione Elettrotecnica ed Elettronica Italiana.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. European Transactions on Telecommunications and Related Technologies. Milano, Italia: Associazione Elettrotecnica ed Elettronica Italiana, 1990.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. European Transactions on Telecommunications and Related Technologies. Associazione Elettrotecnica ed Elettronica Italiana, 1990.
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