Lua APA (7ú heag.)

Vitale, J. (2007). The seven lost secrets of success: Million dollar ideas of Bruce Barton, America's forgotten genius. John Wiley & Sons.

Lua i Stíl Chicago (17ú heag.)

Vitale, Joe. The Seven Lost Secrets of Success: Million Dollar Ideas of Bruce Barton, America's Forgotten Genius. Hoboken, N.J.: John Wiley & Sons, 2007.

Lua MLA (8ú heag.)

Vitale, Joe. The Seven Lost Secrets of Success: Million Dollar Ideas of Bruce Barton, America's Forgotten Genius. John Wiley & Sons, 2007.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.