توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Brondmo 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.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Brondmo 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.