Kerin, R. A., & Peterson, R. A. (1987). Strategic marketing problems: Cases and comments (4th ed.). Allyn and Bacon.
Цитирование в стиле Чикаго (17-е изд.)Kerin, Roger A., и Robert A. Peterson. Strategic Marketing Problems: Cases and Comments. 4th ed. Boston: Allyn and Bacon, 1987.
Цитирование MLA (9-е изд.)Kerin, Roger A., и Robert A. Peterson. Strategic Marketing Problems: Cases and Comments. 4th ed. Allyn and Bacon, 1987.