APA-referens (7:e uppl.)

Robbins, A. (2001). Unlimited Power. Penguin Books.

Chicago-referens (17:e uppl.)

Robbins, Anthony. Unlimited Power. New Delhi: Penguin Books, 2001.

MLA-referens (9:e uppl.)

Robbins, Anthony. Unlimited Power. Penguin Books, 2001.