Cita APA (7th ed.)

Cravens, D. (1987). Strategic marketing (2nd.). Richard D. Irwin INC.

Cita Chicago (17th ed.)

Cravens, D. Strategic Marketing. 2nd. Japan: Richard D. Irwin INC, 1987.

Cita MLA (9th ed.)

Cravens, D. Strategic Marketing. 2nd. Richard D. Irwin INC, 1987.