Cita APA (7th ed.)

Ferrell, O. C., & Hartline, M. D. (2012). Estrategia de marketing (5a. ed.). Cengage Learning.

Cita Chicago (17th ed.)

Ferrell, O. C., i Michael D. Hartline. Estrategia De Marketing. 5a. ed. Cuernavaca: Cengage Learning, 2012.

Cita MLA (9th ed.)

Ferrell, O. C., i Michael D. Hartline. Estrategia De Marketing. 5a. ed. Cengage Learning, 2012.