ebrary, Inc. (2007). Design and business. Emerald Group Publishing.
Cita Chicago (17th ed.)ebrary, Inc. Design and Business. Bradford, England: Emerald Group Publishing, 2007.
Cita MLA (9th ed.)ebrary, Inc. Design and Business. Emerald Group Publishing, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.