Ryan, D. (2021). Understanding digital marketing: A complete guide to engaging customers and implementing successful digital campaigns (Fifth edition.).
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Ryan, Damian. Understanding Digital Marketing: A Complete Guide to Engaging Customers and Implementing Successful Digital Campaigns. Fifth edition. :, 2021.
MLA -ийн эшлэл (9 дэх хэвлэлт)Ryan, Damian. Understanding Digital Marketing: A Complete Guide to Engaging Customers and Implementing Successful Digital Campaigns. Fifth edition. 2021.
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