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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrondmo 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.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBrondmo 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.
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