Παραπομπή APA

Lytle, J. F. (1993). What do your customers really want?: Here's a sure-fire way to find out. Excel books.

Παραπομπή Chicago Style

Lytle, John F. What Do Your Customers Really Want?: Here's a Sure-fire Way to Find Out. New Delhi: Excel books, 1993.

Παραπομπή MLA

Lytle, John F. What Do Your Customers Really Want?: Here's a Sure-fire Way to Find Out. Excel books, 1993.