Dyfyniad APA

Robbins, A. (1988). Unlimited power: The new science of personal achievament. Simon and schuster.

Dyfyniad Arddull Chicago

Robbins, Anthony. Unlimited Power: The New Science of Personal Achievament. London: Simon and schuster, 1988.

Dyfyniad MLA

Robbins, Anthony. Unlimited Power: The New Science of Personal Achievament. Simon and schuster, 1988.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.