Berke, C. (1996). Entrepreneur magazine: Successful advertising for small businesses. John Wiley.
Cita Chicago (17th ed.)Berke, Conrad. Entrepreneur Magazine: Successful Advertising for Small Businesses. New York: John Wiley, 1996.
Cita MLA (9th ed.)Berke, Conrad. Entrepreneur Magazine: Successful Advertising for Small Businesses. John Wiley, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.