Timmers, P. (1999). Electronic commerce: Strategies and models for business-to-business trading. New York; Chichester: John Wiley and Sons.
Trích dẫn kiểu ChicagoTimmers, Paul. Electronic Commerce: Strategies and Models for Business-to-business Trading. New York; Chichester: John Wiley and Sons, 1999.
ציטוט MLATimmers, Paul. Electronic Commerce: Strategies and Models for Business-to-business Trading. New York; Chichester: John Wiley and Sons, 1999.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.