Lua APA (7ú heag.)

Gupta, S. (2022). Digital Marketing (2nd.). McGraw Hill Education (India) Private Limited.

Lua i Stíl Chicago (17ú heag.)

Gupta, Seema. Digital Marketing. 2nd. Chennai: McGraw Hill Education (India) Private Limited, 2022.

Lua MLA (9ú heag.)

Gupta, Seema. Digital Marketing. 2nd. McGraw Hill Education (India) Private Limited, 2022.

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