Timmers, P. (1999). Electronic commerce: Strategies and models for business-to-business trading. New York; Chichester: John Wiley and Sons.
Chicago-стиль цитированияTimmers, Paul. Electronic Commerce: Strategies and Models for Business-to-business Trading. New York; Chichester: John Wiley and Sons, 1999.
MLA-цитированиеTimmers, Paul. Electronic Commerce: Strategies and Models for Business-to-business Trading. New York; Chichester: John Wiley and Sons, 1999.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.