BUELL, V. P. (1984). Marketing management: A strategic planning approach. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)BUELL, Victor P. Marketing Management: A Strategic Planning Approach. New York: McGraw-Hill, 1984.
Lua MLA (9ú heag.)BUELL, Victor P. Marketing Management: A Strategic Planning Approach. McGraw-Hill, 1984.
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