Leonetti, R. (1980). Self-concept and the school child: How to enhance self-confidence and self-esteem. Philosophical Library.
Chicago-Zitierstil (17. Ausg.)Leonetti, Robert. Self-concept and the School Child: How to Enhance Self-confidence and Self-esteem. New York: Philosophical Library, 1980.
MLA-Zitierstil (9. Ausg.)Leonetti, Robert. Self-concept and the School Child: How to Enhance Self-confidence and Self-esteem. Philosophical Library, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.