Iqbal, M. S., & Chowdhury, H. M. (2021). How Digital Marketing impacts in Advertising Agency over regular marketing: A perspective on SkyWalk Solutions Advertising Agency. BRAC University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Iqbal, MD Saif, و Hasan Maksud Chowdhury. How Digital Marketing Impacts in Advertising Agency over Regular Marketing: A Perspective on SkyWalk Solutions Advertising Agency. BRAC University, 2021.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Iqbal, MD Saif, و Hasan Maksud Chowdhury. How Digital Marketing Impacts in Advertising Agency over Regular Marketing: A Perspective on SkyWalk Solutions Advertising Agency. BRAC University, 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.