Kerin, R. A., & Peterson, R. A. (1987). Strategic marketing problems: Cases and comments (4th ed.). Allyn and Bacon.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Kerin, Roger A., ба Robert A. Peterson. Strategic Marketing Problems: Cases and Comments. 4th ed. Boston: Allyn and Bacon, 1987.
MLA -ийн эшлэл (9 дэх хэвлэлт)Kerin, Roger A., ба Robert A. Peterson. Strategic Marketing Problems: Cases and Comments. 4th ed. Allyn and Bacon, 1987.