Cita APA (7th ed.)

Cravens, D. W. (1991). Strategic marketing (3rd.ed.). Irwin.

Cita Chicago (17th ed.)

Cravens, David W. Strategic Marketing. 3rd.ed. Homewood, Illinois: Irwin, 1991.

Cita MLA (9th ed.)

Cravens, David W. Strategic Marketing. 3rd.ed. Irwin, 1991.