Chaffey, D. (2016). Digital marketing strategy, implementation and practice 6th ed. Pearson.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChaffey, Dave. Digital Marketing Strategy, Implementation and Practice 6th Ed. Pearson, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रChaffey, Dave. Digital Marketing Strategy, Implementation and Practice 6th Ed. Pearson, 2016.
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