Maxwell, J. C. (2003). Thinking for a change: 11 ways highly successful people approach life and work. Warner Books.
Dyfyniad Arddull ChicagoMaxwell, John C. Thinking for a Change: 11 Ways Highly Successful People Approach Life and Work. New York: Warner Books, 2003.
Dyfyniad MLAMaxwell, John C. Thinking for a Change: 11 Ways Highly Successful People Approach Life and Work. Warner Books, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.