Petty, S., & Verbeck, E. (2012). Worth every penny: Build a business that thrills your customers and still charge what you're worth. Greenleaf Book Group Press.
Cita Chicago Style (17a ed.)Petty, Sarah, y Erin Verbeck. Worth Every Penny: Build a Business That Thrills Your Customers and Still Charge What You're Worth. Austin, Tex.: Greenleaf Book Group Press, 2012.
Cita MLA (8a ed.)Petty, Sarah, y Erin Verbeck. Worth Every Penny: Build a Business That Thrills Your Customers and Still Charge What You're Worth. Greenleaf Book Group Press, 2012.
Precaución: Estas citas no son 100% exactas.