ASSAEL, H. (1990). Marketing Principles And Strategy Henry Assael. The Dryden.
Lua i Stíl Chicago (17ú heag.)ASSAEL, Henry. Marketing Principles And Strategy Henry Assael. The Dryden, 1990.
Lua MLA (8ú heag.)ASSAEL, Henry. Marketing Principles And Strategy Henry Assael. The Dryden, 1990.
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