Lua APA (7ú heag.)

Frost, R., & Strauss, J. F. (2019). E-marketing (8th.). Routledge.

Lua i Stíl Chicago (17ú heag.)

Frost, Raymond, agus Judy Fox Strauss. E-marketing. 8th. New York, NY: Routledge, 2019.

Lua MLA (9ú heag.)

Frost, Raymond, agus Judy Fox Strauss. E-marketing. 8th. Routledge, 2019.

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