Ruvalcaba, N. A. (2017). Extracurricular activities and group belonging as a protective factor in adolescence. Colegio Oficial de Psicólogos de Madrid.
Chicago-Zitierstil (17. Ausg.)Ruvalcaba, Norma A. Extracurricular Activities and Group Belonging as a Protective Factor in Adolescence. Colegio Oficial de Psicólogos de Madrid, 2017.
MLA-Zitierstil (9. Ausg.)Ruvalcaba, Norma A. Extracurricular Activities and Group Belonging as a Protective Factor in Adolescence. Colegio Oficial de Psicólogos de Madrid, 2017.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.