Lua APA (7ú heag.)

Johnson,P.A, & Mascsrenhas,A.D. (2019). Digital Marketing. Star edu solutions.

Lua i Stíl Chicago (17ú heag.)

Johnson,P.A, agus Mascsrenhas,A.D. Digital Marketing. New Delhi: Star edu solutions, 2019.

Lua MLA (9ú heag.)

Johnson,P.A, agus Mascsrenhas,A.D. Digital Marketing. Star edu solutions, 2019.

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