Dyfyniad APA

Frost, R., Fox, A. K., & Strauss, J. (2019). E-marketing (Eighth edition.). Routledge.

Dyfyniad Arddull Chicago

Frost, Raymond, Alexa K. Fox, and Judy Strauss. E-marketing. Eighth edition. New York, NY: Routledge, 2019.

Dyfyniad MLA

Frost, Raymond, et al. E-marketing. Eighth edition. Routledge, 2019.

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