Berke, C. (1996). Entrepreneur magazine: Successful advertising for small businesses. John Wiley.
Lua i Stíl Chicago (17ú heag.)Berke, Conrad. Entrepreneur Magazine: Successful Advertising for Small Businesses. New York: John Wiley, 1996.
Lua MLA (9ú heag.)Berke, Conrad. Entrepreneur Magazine: Successful Advertising for Small Businesses. John Wiley, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.