Lytle, J. F. (1993). What do your customers really want?: Here's a sure-fire way to find out. Excel books.
Čikaški stil citiranjaLytle, John F. What Do Your Customers Really Want?: Here's a Sure-fire Way to Find Out. New Delhi: Excel books, 1993.
MLA način citiranjaLytle, John F. What Do Your Customers Really Want?: Here's a Sure-fire Way to Find Out. Excel books, 1993.
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