Chaffey, D., & Ellis-Chadwick, F. (2022). Digital marketing: [strategy, implementation and practice] (Eighth Edition.). Pearson.
Lua i Stíl Chicago (17ú heag.)Chaffey, Dave, agus Fiona Ellis-Chadwick. Digital Marketing: [strategy, Implementation and Practice]. Eighth Edition. Harlow ; New York: Pearson, 2022.
Lua MLA (9ú heag.)Chaffey, Dave, agus Fiona Ellis-Chadwick. Digital Marketing: [strategy, Implementation and Practice]. Eighth Edition. Pearson, 2022.
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