Rohn, J. (1985). Seven strategies for wealth and happiness: Power ideas for America's foremost business philosopher. Three Rivers Press.
Lua i Stíl Chicago (17ú heag.)Rohn, Jim. Seven Strategies for Wealth and Happiness: Power Ideas for America's Foremost Business Philosopher. New York: Three Rivers Press, 1985.
Lua MLA (9ú heag.)Rohn, Jim. Seven Strategies for Wealth and Happiness: Power Ideas for America's Foremost Business Philosopher. Three Rivers Press, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.