Field, G. A., Douglas, J., & Tarpey, L. X. (1966). Marketing management: A behavioral systems approach. Columbus, Ohio: Charles E. Merrill books.
Παραπομπή Chicago StyleField, George A., John Douglas, και Lawrence X. Tarpey. Marketing Management: A Behavioral Systems Approach. Columbus, Ohio: Charles E. Merrill books, 1966.
Παραπομπή MLAField, George A., John Douglas, και Lawrence X. Tarpey. Marketing Management: A Behavioral Systems Approach. Columbus, Ohio: Charles E. Merrill books, 1966.
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