Timmers, P. (1999). Electronic commerce: Strategies and models for business-to-business trading. New York; Chichester: John Wiley and Sons.
Stile di citazione ChicagoTimmers, Paul. Electronic Commerce: Strategies and Models for Business-to-business Trading. New York; Chichester: John Wiley and Sons, 1999.
Citazione MLATimmers, Paul. Electronic Commerce: Strategies and Models for Business-to-business Trading. New York; Chichester: John Wiley and Sons, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.