Lytle, J. F. (1993). What do your customers really want?: Here's a sure-fire way to find out. Excel books.
استشهاد بنمط شيكاغوLytle, John F. What Do Your Customers Really Want?: Here's a Sure-fire Way to Find Out. New Delhi: Excel books, 1993.
MLA استشهادLytle, John F. What Do Your Customers Really Want?: Here's a Sure-fire Way to Find Out. Excel books, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.