Robbins, A. (1988). Unlimited power: The new science of personal achievament. Simon and schuster.
Chicago Style (17. basım) AtıfRobbins, Anthony. Unlimited Power: The New Science of Personal Achievament. London: Simon and schuster, 1988.
MLA (9th ed.) AtıfRobbins, Anthony. Unlimited Power: The New Science of Personal Achievament. Simon and schuster, 1988.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..