Cravens, D. W., & Piercy, N. F. (2009). Strategic marketing (9th ed.). McGraw-Hill.

Cravens, David W., and Nigel F. Piercy. Strategic Marketing. 9th ed. New York: McGraw-Hill, 2009.

Cravens, David W., and Nigel F. Piercy. Strategic Marketing. 9th ed. McGraw-Hill, 2009.