Black, U. D. (1995). The X series recommendations: Standards for data communications. New York: McGraw-Hill.
Chicago Style CitationBlack, Uyless D. The X Series Recommendations: Standards for Data Communications. New York: McGraw-Hill, 1995.
Cita MLABlack, Uyless D. The X Series Recommendations: Standards for Data Communications. New York: McGraw-Hill, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.