Gross, R. (1999). Peak learning: How to create your own lifelong education program for personal enlightenment and professional success (Rev. ed.). Tarcher/Putnam.
Chicago-Zitierstil (17. Ausg.)Gross, Ronald. Peak Learning: How to Create Your Own Lifelong Education Program for Personal Enlightenment and Professional Success. Rev. ed. New York: Tarcher/Putnam, 1999.
MLA-Zitierstil (9. Ausg.)Gross, Ronald. Peak Learning: How to Create Your Own Lifelong Education Program for Personal Enlightenment and Professional Success. Rev. ed. Tarcher/Putnam, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.