Cita APA (7th ed.)

Strauss, J., & Frost, R. (2014). E-marketing (7th ed.). Pearson.

Cita Chicago (17th ed.)

Strauss, Judy, i Raymond Frost. E-marketing. 7th ed. Boston: Pearson, 2014.

Cita MLA (8th ed.)

Strauss, Judy, i Raymond Frost. E-marketing. 7th ed. Pearson, 2014.