CRAVENS. (1980). Marketing Decision Making Concepts And Strategy Cravens Dkk. Richard D. Irwin.
Lua i Stíl Chicago (17ú heag.)CRAVENS. Marketing Decision Making Concepts And Strategy Cravens Dkk. Richard D. Irwin, 1980.
Lua MLA (8ú heag.)CRAVENS. Marketing Decision Making Concepts And Strategy Cravens Dkk. Richard D. Irwin, 1980.
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