Não informado. (1977). The Institute. Institute of Electrical and Electronics Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. The Institute. New York: Institute of Electrical and Electronics Engineers, 1977.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. The Institute. Institute of Electrical and Electronics Engineers, 1977.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.