Berke, C. (1996). Entrepreneur magazine: Successful advertising for small businesses. John Wiley.
Chicago-referens (17:e uppl.)Berke, Conrad. Entrepreneur Magazine: Successful Advertising for Small Businesses. New York: John Wiley, 1996.
MLA-referens (9:e uppl.)Berke, Conrad. Entrepreneur Magazine: Successful Advertising for Small Businesses. John Wiley, 1996.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.