Ryan, D. (2017). Understanding digital marketing: Marketing strategies for engaging the digital generation (4th.). Kogan Page.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRyan, Damian. Understanding Digital Marketing: Marketing Strategies for Engaging the Digital Generation. 4th. Kogan Page, 2017.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRyan, Damian. Understanding Digital Marketing: Marketing Strategies for Engaging the Digital Generation. 4th. Kogan Page, 2017.
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