Kjær-Hansen, U. (1963). Trends in Danish advertising expenditures. Danish Sales and Advertising Association.
Chicago-viite (17. p.)Kjær-Hansen, Ulf. Trends in Danish Advertising Expenditures. Copenhagen: Danish Sales and Advertising Association, 1963.
MLA-viite (8. p.)Kjær-Hansen, Ulf. Trends in Danish Advertising Expenditures. Danish Sales and Advertising Association, 1963.
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