Kerin, R. A., & Peterson, R. A. (1987). Strategic marketing problems: Cases and comments (4th ed.). Allyn and Bacon.
Citazione stile Chigago Style (17a edizione)Kerin, Roger A., e Robert A. Peterson. Strategic Marketing Problems: Cases and Comments. 4th ed. Boston: Allyn and Bacon, 1987.
Citatione MLA (9a ed.)Kerin, Roger A., e Robert A. Peterson. Strategic Marketing Problems: Cases and Comments. 4th ed. Allyn and Bacon, 1987.