APA引文

Không rõ. (1985). Digital Communication and Spread Spectrm Systems. NOTNXB.

Trích dẫn kiểu Chicago

Không rõ. Digital Communication and Spread Spectrm Systems. NOTNXB, 1985.

MLA引文

Không rõ. Digital Communication and Spread Spectrm Systems. NOTNXB, 1985.

警告：這些引文格式不一定是100％准確.