Maxwell, J. C. (2003). Thinking for a change: 11 ways highly successful people approach life and work. Warner Books.
Lua i Stíl Chicago (17ú heag.)Maxwell, John C. Thinking for a Change: 11 Ways Highly Successful People Approach Life and Work. New York: Warner Books, 2003.
Lua MLA (8ú heag.)Maxwell, John C. Thinking for a Change: 11 Ways Highly Successful People Approach Life and Work. Warner Books, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.