Chaffey, D., & Smith, P. R. (2017). Digital Marketing Excellence: Planning, Optimizing and Integrating Online Marketing (5th ed.). Routledge An Imprint of Taylor & Francis Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChaffey, Dave, और P. R. Smith. Digital Marketing Excellence: Planning, Optimizing and Integrating Online Marketing. 5th ed. New York: Routledge An Imprint of Taylor & Francis Group, 2017.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChaffey, Dave, और P. R. Smith. Digital Marketing Excellence: Planning, Optimizing and Integrating Online Marketing. 5th ed. Routledge An Imprint of Taylor & Francis Group, 2017.
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