APA-Zitierstil (7. Ausg.)

Richardson, B., & Fusco, M. A. C. (1993). The + 10 percent principle: How to get extraordinary results from ordinary people. Pfeiffer.

Chicago-Zitierstil (17. Ausg.)

Richardson, Barrie, und Mary Ann Castronovo Fusco. The + 10 Percent Principle: How to Get Extraordinary Results from Ordinary People. Amsterdam [u.a.]: Pfeiffer, 1993.

MLA-Zitierstil (9. Ausg.)

Richardson, Barrie, und Mary Ann Castronovo Fusco. The + 10 Percent Principle: How to Get Extraordinary Results from Ordinary People. Pfeiffer, 1993.