HOWARD, J. A. (1989). Buyer Behavior In Marketing Strategy. Prentice - Hall.
Lua i Stíl Chicago (17ú heag.)HOWARD, John A. Buyer Behavior In Marketing Strategy. Prentice - Hall, 1989.
Lua MLA (8ú heag.)HOWARD, John A. Buyer Behavior In Marketing Strategy. Prentice - Hall, 1989.
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