1 |  | Internet marketing: Integrating online and offline strategies / Mary Lou Roberts, Debra Zahay . - Lần thứ 3. - Hoa Kỳ: South-Western, 2013. - 484 tr.; 28 cm Số Đăng ký cá biệt: 00012817 |
2 |  | Internet marketing : integrating online & offline strategies in a digital environment / Debra Zahay, Mary Lou Roberts . - Fourth edition. - Boston, MA : Cengage, 2018. - xii, 562 pages : Illustration ; 28 cm Số Đăng ký cá biệt: 00019826 |
3 |  | Social media marketing : a strategic approach / Debra Zahay, Mary Lou Roberts, Janna Parker, Donald I. Barker, Melissa Barker . - Third edition. - Boston, MA : Cengage, 2023. - 328 pages : Illustration ; 27 cm Số Đăng ký cá biệt: 00019800 |