Không rõ. (1993). Digital and Anolog Communication Systems. NOTNXB.
Style de citation ChicagoKhông rõ. Digital and Anolog Communication Systems. NOTNXB, 1993.
Style de citation MLAKhông rõ. Digital and Anolog Communication Systems. NOTNXB, 1993.
Attention : ces citations peuvent ne pas être correctes à 100%.