BERNHARDT, K. L., & KINNEAR, T. C. (1981). Cases in marketing management. BPI.
Lua i Stíl Chicago (17ú heag.)BERNHARDT, Kenneth L., agus Thomas C. KINNEAR. Cases in Marketing Management. Texas: BPI, 1981.
Lua MLA (9ú heag.)BERNHARDT, Kenneth L., agus Thomas C. KINNEAR. Cases in Marketing Management. BPI, 1981.
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