GREGORY, J. R. (1991). Marketing Corporate Image The Company As Your Number One Product. NTC Business Books.
Chicago-viite (17. p.)GREGORY, James R. Marketing Corporate Image The Company As Your Number One Product. NTC Business Books, 1991.
MLA-viite (8. p.)GREGORY, James R. Marketing Corporate Image The Company As Your Number One Product. NTC Business Books, 1991.
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