Parmerlee, D. (1993). American Marketing Association toolbox: Selecting the right products and services. NTC Business Books.
Chicago-viite (17. p.)Parmerlee, David. American Marketing Association Toolbox: Selecting the Right Products and Services. Lincolnwood, Illinois: NTC Business Books, 1993.
MLA-viite (9. p.)Parmerlee, David. American Marketing Association Toolbox: Selecting the Right Products and Services. NTC Business Books, 1993.
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