SpringerLink (Online service), Pushkar, D., Bukowski, W. M., Schwartzman, A. E., Stack, D. M., & White, D. R. (2002). Improving Competence across the Lifespan: Building Interventions Based on Theory and Research. Springer US.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Dolores Pushkar, William M. Bukowski, Alex E. Schwartzman, Dale M. Stack, και Donna R. White. Improving Competence Across the Lifespan: Building Interventions Based on Theory and Research. Boston, MA: Springer US, 2002.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Improving Competence Across the Lifespan: Building Interventions Based on Theory and Research. Springer US, 2002.
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