Czegel, B. (2001). Technical support on the web: Designing and maintaining an effective E-Support site. New York: John Wiley & Sons, Inc.
Chicago-стиль цитированияCzegel, Barbara. Technical Support On the Web: Designing and Maintaining an Effective E-Support Site. New York: John Wiley & Sons, Inc, 2001.
MLA-цитированиеCzegel, Barbara. Technical Support On the Web: Designing and Maintaining an Effective E-Support Site. New York: John Wiley & Sons, Inc, 2001.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.