Ryan, D. (2021). Understanding digital marketing: A complete guide to engaging customers and implementing successful digital campaigns (Fifth edition.).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRyan, Damian. Understanding Digital Marketing: A Complete Guide to Engaging Customers and Implementing Successful Digital Campaigns. Fifth edition. :, 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRyan, Damian. Understanding Digital Marketing: A Complete Guide to Engaging Customers and Implementing Successful Digital Campaigns. Fifth edition. 2021.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.