Brondmo Hans Peter. (2000). Eng@ged: The New Rules of Internet Direct Marketing: E-mail Strategies for Creating Profitable Customer Relationships. Harper Business, Harper Collins Publisher.
Dyfyniad Arddull ChicagoBrondmo Hans Peter. Eng@ged: The New Rules of Internet Direct Marketing: E-mail Strategies for Creating Profitable Customer Relationships. NewYork: Harper Business, Harper Collins Publisher, 2000.
Dyfyniad MLABrondmo Hans Peter. Eng@ged: The New Rules of Internet Direct Marketing: E-mail Strategies for Creating Profitable Customer Relationships. Harper Business, Harper Collins Publisher, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.